22493001 has 8 divisors (see below), whose sum is σ = 30012640. Its totient is φ = 14984352.

The previous prime is 22492993. The next prime is 22493021. The reversal of 22493001 is 10039422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22493001 - 2³ = 22492993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22493021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6141 + ... + 9093.

It is an arithmetic number, because the mean of its divisors is an integer number (3751580).

Almost surely, 2^22493001 is an apocalyptic number.

It is an amenable number.

22493001 is a deficient number, since it is larger than the sum of its proper divisors (7519639).

22493001 is a wasteful number, since it uses less digits than its factorization.

22493001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5495.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 22493001 is about 4742.6786734924. The cubic root of 22493001 is about 282.2815331345.

The spelling of 22493001 in words is "twenty-two million, four hundred ninety-three thousand, one".