56231122 has 4 divisors (see below), whose sum is σ = 84346686. Its totient is φ = 28115560.

The previous prime is 56231107. The next prime is 56231137. The reversal of 56231122 is 22113265.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (56231107) and next prime (56231137).

It can be written as a sum of positive squares in only one way, i.e., 55636681 + 594441 = 7459^2 + 771^2 .

It is a super-3 number, since 3×56231122³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56231093 and 56231102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14057779 + ... + 14057782.

Almost surely, 2^56231122 is an apocalyptic number.

56231122 is a deficient number, since it is larger than the sum of its proper divisors (28115564).

56231122 is a wasteful number, since it uses less digits than its factorization.

56231122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28115563.

The product of its digits is 720, while the sum is 22.

The square root of 56231122 is about 7498.7413610552. The cubic root of 56231122 is about 383.1118480246. Note that the first 3 decimals are identical.

Adding to 56231122 its reverse (22113265), we get a palindrome (78344387).

It can be divided in two parts, 562 and 31122, that added together give a square (31684 = 178²).

The spelling of 56231122 in words is "fifty-six million, two hundred thirty-one thousand, one hundred twenty-two".