22090293 has 48 divisors (see below), whose sum is σ = 36840000. Its totient is φ = 13042944.

The previous prime is 22090283. The next prime is 22090309. The reversal of 22090293 is 39209022.

22090293 = 69³ + 70³ + ... + 102³.

It is not a de Polignac number, because 22090293 - 2¹³ = 22082101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22090213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 148183 + ... + 148331.

It is an arithmetic number, because the mean of its divisors is an integer number (767500).

Almost surely, 2^22090293 is an apocalyptic number.

It is an amenable number.

22090293 is a deficient number, since it is larger than the sum of its proper divisors (14749707).

22090293 is a wasteful number, since it uses less digits than its factorization.

22090293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 22090293 is about 4700.0311701094. The cubic root of 22090293 is about 280.5867500276.

The spelling of 22090293 in words is "twenty-two million, ninety thousand, two hundred ninety-three".