22922001 has 16 divisors (see below), whose sum is σ = 35956800. Its totient is φ = 14382144.

The previous prime is 22921991. The next prime is 22922017. The reversal of 22922001 is 10022922.

It is not a de Polignac number, because 22922001 - 2¹³ = 22913809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22922071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24511 + ... + 25428.

It is an arithmetic number, because the mean of its divisors is an integer number (2247300).

Almost surely, 2^22922001 is an apocalyptic number.

It is an amenable number.

22922001 is a deficient number, since it is larger than the sum of its proper divisors (13034799).

22922001 is a wasteful number, since it uses less digits than its factorization.

22922001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49965 (or 49959 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 22922001 is about 4787.6926593089. The cubic root of 22922001 is about 284.0648574018.

Adding to 22922001 its reverse (10022922), we get a palindrome (32944923).

The spelling of 22922001 in words is "twenty-two million, nine hundred twenty-two thousand, one".