22461044 has 6 divisors (see below), whose sum is σ = 39306834. Its totient is φ = 11230520.

The previous prime is 22461017. The next prime is 22461067. The reversal of 22461044 is 44016422.

It can be written as a sum of positive squares in only one way, i.e., 21436900 + 1024144 = 4630^2 + 1012^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2807627 + ... + 2807634.

It is an arithmetic number, because the mean of its divisors is an integer number (6551139).

Almost surely, 2^22461044 is an apocalyptic number.

It is an amenable number.

22461044 is a deficient number, since it is larger than the sum of its proper divisors (16845790).

22461044 is a wasteful number, since it uses less digits than its factorization.

22461044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5615265 (or 5615263 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 22461044 is about 4739.3083883622. The cubic root of 22461044 is about 282.1477856564.

Adding to 22461044 its reverse (44016422), we get a palindrome (66477466).

The spelling of 22461044 in words is "twenty-two million, four hundred sixty-one thousand, forty-four".