22055001 has 32 divisors (see below), whose sum is σ = 32503680. Its totient is φ = 13246464.

The previous prime is 22054957. The next prime is 22055003. The reversal of 22055001 is 10055022.

It is not a de Polignac number, because 22055001 - 2⁶ = 22054937 is a prime.

It is a super-2 number, since 2×22055001² = 972846138220002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22055003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195121 + ... + 195233.

It is an arithmetic number, because the mean of its divisors is an integer number (1015740).

Almost surely, 2^22055001 is an apocalyptic number.

It is an amenable number.

22055001 is a deficient number, since it is larger than the sum of its proper divisors (10448679).

22055001 is a wasteful number, since it uses less digits than its factorization.

22055001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 22055001 is about 4696.2752261766. The cubic root of 22055001 is about 280.4372462653.

The spelling of 22055001 in words is "twenty-two million, fifty-five thousand, one".