22104534 has 16 divisors (see below), whose sum is σ = 44256960. Its totient is φ = 7360200.

The previous prime is 22104529. The next prime is 22104553. The reversal of 22104534 is 43540122.

It is a super-2 number, since 2×22104534² = 977220846714312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22104534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7437 + ... + 9975.

It is an arithmetic number, because the mean of its divisors is an integer number (2766060).

Almost surely, 2^22104534 is an apocalyptic number.

22104534 is an abundant number, since it is smaller than the sum of its proper divisors (22152426).

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

22104534 is a wasteful number, since it uses less digits than its factorization.

22104534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3995.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 22104534 is about 4701.5459159727. The cubic root of 22104534 is about 280.6470325772.

Adding to 22104534 its reverse (43540122), we get a palindrome (65644656).

The spelling of 22104534 in words is "twenty-two million, one hundred four thousand, five hundred thirty-four".