22501629 has 12 divisors (see below), whose sum is σ = 33551232. Its totient is φ = 14517000.

The previous prime is 22501607. The next prime is 22501631. The reversal of 22501629 is 92610522.

It is not a de Polignac number, because 22501629 - 2¹³ = 22493437 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22501639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40047 + ... + 40604.

It is an arithmetic number, because the mean of its divisors is an integer number (2795936).

Almost surely, 2^22501629 is an apocalyptic number.

It is an amenable number.

22501629 is a deficient number, since it is larger than the sum of its proper divisors (11049603).

22501629 is a wasteful number, since it uses less digits than its factorization.

22501629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80688 (or 80685 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 22501629 is about 4743.5881988216. The cubic root of 22501629 is about 282.3176216007.

The spelling of 22501629 in words is "twenty-two million, five hundred one thousand, six hundred twenty-nine".