22235536 has 20 divisors (see below), whose sum is σ = 43196764. Its totient is φ = 11088000.

The previous prime is 22235533. The next prime is 22235561. The reversal of 22235536 is 63553222.

It can be written as a sum of positive squares in 2 ways, for example, as 1587600 + 20647936 = 1260^2 + 4544^2 .

It is a super-2 number, since 2×22235536² = 988838122414592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22235531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5086 + ... + 8386.

Almost surely, 2^22235536 is an apocalyptic number.

It is an amenable number.

22235536 is a deficient number, since it is larger than the sum of its proper divisors (20961228).

22235536 is a wasteful number, since it uses less digits than its factorization.

22235536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730 (or 3724 counting only the distinct ones).

The product of its digits is 10800, while the sum is 28.

The square root of 22235536 is about 4715.4571358459. The cubic root of 22235536 is about 281.2003569336.

Adding to 22235536 its reverse (63553222), we get a palindrome (85788758).

The spelling of 22235536 in words is "twenty-two million, two hundred thirty-five thousand, five hundred thirty-six".