22089501 has 24 divisors (see below), whose sum is σ = 36588864. Its totient is φ = 12579840.

The previous prime is 22089497. The next prime is 22089517. The reversal of 22089501 is 10598022.

It is not a de Polignac number, because 22089501 - 2² = 22089497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22088501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34141 + ... + 34781.

It is an arithmetic number, because the mean of its divisors is an integer number (1524536).

Almost surely, 2^22089501 is an apocalyptic number.

22089501 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22089501 is a deficient number, since it is larger than the sum of its proper divisors (14499363).

22089501 is a wasteful number, since it uses less digits than its factorization.

22089501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201 (or 1198 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 22089501 is about 4699.9469145938. The cubic root of 22089501 is about 280.5833967092.

The spelling of 22089501 in words is "twenty-two million, eighty-nine thousand, five hundred one".