22315755 has 48 divisors (see below), whose sum is σ = 44838144. Its totient is φ = 9207360.

The previous prime is 22315739. The next prime is 22315807. The reversal of 22315755 is 55751322.

It is not a de Polignac number, because 22315755 - 2⁴ = 22315739 is a prime.

It is a super-3 number, since 3×22315755³ (a number of 23 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160476 + ... + 160614.

It is an arithmetic number, because the mean of its divisors is an integer number (934128).

Almost surely, 2^22315755 is an apocalyptic number.

22315755 is an abundant number, since it is smaller than the sum of its proper divisors (22522389).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22315755 is a wasteful number, since it uses less digits than its factorization.

22315755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 165 counting only the distinct ones).

The product of its digits is 10500, while the sum is 30.

The square root of 22315755 is about 4723.9554400947. The cubic root of 22315755 is about 281.5381126577.

The spelling of 22315755 in words is "twenty-two million, three hundred fifteen thousand, seven hundred fifty-five".