22955501 has 4 divisors (see below), whose sum is σ = 23747100. Its totient is φ = 22163904.

The previous prime is 22955489. The next prime is 22955521. The reversal of 22955501 is 10555922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18748900 + 4206601 = 4330^2 + 2051^2 .

It is a cyclic number.

It is not a de Polignac number, because 22955501 - 2⁶ = 22955437 is a prime.

It is a super-2 number, since 2×22955501² = 1053910052322002, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 791569 = 22955501 / (2 + 2 + 9 + 5 + 5 + 5 + 0 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22955521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395756 + ... + 395813.

It is an arithmetic number, because the mean of its divisors is an integer number (5936775).

Almost surely, 2^22955501 is an apocalyptic number.

It is an amenable number.

22955501 is a deficient number, since it is larger than the sum of its proper divisors (791599).

22955501 is an equidigital number, since it uses as much as digits as its factorization.

22955501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791598.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 22955501 is about 4791.1899357049. The cubic root of 22955501 is about 284.2031748869.

The spelling of 22955501 in words is "twenty-two million, nine hundred fifty-five thousand, five hundred one".