22501042 has 16 divisors (see below), whose sum is σ = 35179200. Its totient is φ = 10780560.

The previous prime is 22501027. The next prime is 22501067. The reversal of 22501042 is 24010522.

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, 6667 + ... + 9457.

It is an arithmetic number, because the mean of its divisors is an integer number (2198700).

Almost surely, 2^22501042 is an apocalyptic number.

22501042 is a deficient number, since it is larger than the sum of its proper divisors (12678158).

22501042 is a wasteful number, since it uses less digits than its factorization.

22501042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2961.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 22501042 is about 4743.5263254250. The cubic root of 22501042 is about 282.3151666394.

Adding to 22501042 its reverse (24010522), we get a palindrome (46511564).

The spelling of 22501042 in words is "twenty-two million, five hundred one thousand, forty-two".