22033636 has 9 divisors (see below), whose sum is σ = 38575299. Its totient is φ = 11012124.

The previous prime is 22033633. The next prime is 22033651. The reversal of 22033636 is 63633022.

The square root of 22033636 is 4694.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×22033636² = 970962230760992, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22033636.

It is not an unprimeable number, because it can be changed into a prime (22033633) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 8215 + ... + 10561.

Almost surely, 2^22033636 is an apocalyptic number.

22033636 is the 4694-th square number.

It is an amenable number.

22033636 is a deficient number, since it is larger than the sum of its proper divisors (16541663).

22033636 is an frugal number, since it uses more digits than its factorization.

22033636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4698 (or 2349 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

The cubic root of 22033636 is about 280.3466624637.

Multiplying 22033636 by its sum of digits (25), we get a square (550840900 = 23470²).

Adding to 22033636 its reverse (63633022), we get a palindrome (85666658).

It can be divided in two parts, 2203 and 3636, that multiplied together give a palindrome (8010108).

The spelling of 22033636 in words is "twenty-two million, thirty-three thousand, six hundred thirty-six".