22761234 has 24 divisors (see below), whose sum is σ = 49483980. Its totient is φ = 7561248.

The previous prime is 22761227. The next prime is 22761239. The reversal of 22761234 is 43216722.

It can be written as a sum of positive squares in 2 ways, for example, as 20930625 + 1830609 = 4575^2 + 1353^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22761198 and 22761207.

It is not an unprimeable number, because it can be changed into a prime (22761239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3712 + ... + 7700.

Almost surely, 2^22761234 is an apocalyptic number.

22761234 is an abundant number, since it is smaller than the sum of its proper divisors (26722746).

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

22761234 is a wasteful number, since it uses less digits than its factorization.

22761234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4314 (or 4311 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 22761234 is about 4770.8735049255. The cubic root of 22761234 is about 283.3991877682.

Adding to 22761234 its reverse (43216722), we get a palindrome (65977956).

The spelling of 22761234 in words is "twenty-two million, seven hundred sixty-one thousand, two hundred thirty-four".