1225473711 has 32 divisors (see below), whose sum is σ = 2039551488. Its totient is φ = 635859840.

The previous prime is 1225473701. The next prime is 1225473721. The reversal of 1225473711 is 1173745221.

It is an interprime number because it is at equal distance from previous prime (1225473701) and next prime (1225473721).

It is not a de Polignac number, because 1225473711 - 2¹⁴ = 1225457327 is a prime.

It is a super-2 number, since 2×1225473711² = 3003571632704223042, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225473701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231385 + ... + 236621.

It is an arithmetic number, because the mean of its divisors is an integer number (63735984).

Almost surely, 2^1225473711 is an apocalyptic number.

1225473711 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1225473711 is a deficient number, since it is larger than the sum of its proper divisors (814077777).

1225473711 is a wasteful number, since it uses less digits than its factorization.

1225473711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6271.

The product of its digits is 11760, while the sum is 33.

The square root of 1225473711 is about 35006.7666458929. The cubic root of 1225473711 is about 1070.1253851958.

The spelling of 1225473711 in words is "one billion, two hundred twenty-five million, four hundred seventy-three thousand, seven hundred eleven".