22342456 has 32 divisors (see below), whose sum is σ = 43338240. Its totient is φ = 10791648.

The previous prime is 22342447. The next prime is 22342457. The reversal of 22342456 is 65424322.

It is a super-2 number, since 2×22342456² = 998370680223872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22342457) 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 7 ways as a sum of consecutive naturals, for example, 36505 + ... + 37111.

It is an arithmetic number, because the mean of its divisors is an integer number (1354320).

Almost surely, 2^22342456 is an apocalyptic number.

It is an amenable number.

22342456 is a deficient number, since it is larger than the sum of its proper divisors (20995784).

22342456 is a wasteful number, since it uses less digits than its factorization.

22342456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763 (or 759 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 22342456 is about 4726.7807226483. The cubic root of 22342456 is about 281.6503555245.

Adding to 22342456 its reverse (65424322), we get a palindrome (87766778).

The spelling of 22342456 in words is "twenty-two million, three hundred forty-two thousand, four hundred fifty-six".