1225535310 has 48 divisors (see below), whose sum is σ = 3191904144. Its totient is φ = 326244096.

The previous prime is 1225535299. The next prime is 1225535317. The reversal of 1225535310 is 135355221.

It is a happy number.

1225535310 is a `hidden beast` number, since 122 + 5 + 5 + 3 + 531 + 0 = 666.

It is a super-2 number, since 2×1225535310² = 3003873592113592200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225535317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41889 + ... + 64851.

It is an arithmetic number, because the mean of its divisors is an integer number (66498003).

Almost surely, 2^1225535310 is an apocalyptic number.

1225535310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225535310 is an abundant number, since it is smaller than the sum of its proper divisors (1966368834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225535310 is a wasteful number, since it uses less digits than its factorization.

1225535310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23569 (or 23566 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 1225535310 is about 35007.6464504542. The cubic root of 1225535310 is about 1070.1433150104.

The spelling of 1225535310 in words is "one billion, two hundred twenty-five million, five hundred thirty-five thousand, three hundred ten".