22088493 has 24 divisors (see below), whose sum is σ = 37014848. Its totient is φ = 12431232.

The previous prime is 22088483. The next prime is 22088501. The reversal of 22088493 is 39488022.

It is not a de Polignac number, because 22088493 - 2¹³ = 22080301 is a prime.

It is a super-2 number, since 2×22088493² = 975803046022098, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22088483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1605 + ... + 6837.

Almost surely, 2^22088493 is an apocalyptic number.

It is an amenable number.

22088493 is a deficient number, since it is larger than the sum of its proper divisors (14926355).

22088493 is a wasteful number, since it uses less digits than its factorization.

22088493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5313 (or 5310 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 22088493 is about 4699.8396781167. The cubic root of 22088493 is about 280.5791287334.

It can be divided in two parts, 2208 and 8493, that added together give a palindrome (10701).

The spelling of 22088493 in words is "twenty-two million, eighty-eight thousand, four hundred ninety-three".