22231653 has 16 divisors (see below), whose sum is σ = 31342080. Its totient is φ = 13978224.

The previous prime is 22231637. The next prime is 22231667. The reversal of 22231653 is 35613222.

It is not a de Polignac number, because 22231653 - 2⁴ = 22231637 is a prime.

It is a super-2 number, since 2×22231653² = 988492790224818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14250 + ... + 15732.

It is an arithmetic number, because the mean of its divisors is an integer number (1958880).

Almost surely, 2^22231653 is an apocalyptic number.

It is an amenable number.

22231653 is a deficient number, since it is larger than the sum of its proper divisors (9110427).

22231653 is a wasteful number, since it uses less digits than its factorization.

22231653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768.

The product of its digits is 2160, while the sum is 24.

The square root of 22231653 is about 4715.0453868441. The cubic root of 22231653 is about 281.1839872727.

Adding to 22231653 its reverse (35613222), we get a palindrome (57844875).

The spelling of 22231653 in words is "twenty-two million, two hundred thirty-one thousand, six hundred fifty-three".