21925095 has 32 divisors (see below), whose sum is σ = 37020672. Its totient is φ = 11058432.

The previous prime is 21925021. The next prime is 21925097. The reversal of 21925095 is 59052912.

It is not a de Polignac number, because 21925095 - 2⁸ = 21924839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21925097) 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, 35227 + ... + 35843.

It is an arithmetic number, because the mean of its divisors is an integer number (1156896).

Almost surely, 2^21925095 is an apocalyptic number.

21925095 is a deficient number, since it is larger than the sum of its proper divisors (15095577).

21925095 is a wasteful number, since it uses less digits than its factorization.

21925095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 21925095 is about 4682.4240517066. The cubic root of 21925095 is about 279.8855612273.

The spelling of 21925095 in words is "twenty-one million, nine hundred twenty-five thousand, ninety-five".