22021202 has 16 divisors (see below), whose sum is σ = 37867200. Its totient is φ = 9408528.

The previous prime is 22021177. The next prime is 22021211. The reversal of 22021202 is 20212022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2633 + ... + 7139.

It is an arithmetic number, because the mean of its divisors is an integer number (2366700).

Almost surely, 2^22021202 is an apocalyptic number.

22021202 is a deficient number, since it is larger than the sum of its proper divisors (15845998).

22021202 is a wasteful number, since it uses less digits than its factorization.

22021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4865.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 22021202 is about 4692.6753563399. The cubic root of 22021202 is about 280.2939175556.

Adding to 22021202 its reverse (20212022), we get a palindrome (42233224).

It can be divided in two parts, 2 and 2021202, that multiplied together give a palindrome (4042404).

The spelling of 22021202 in words is "twenty-two million, twenty-one thousand, two hundred two".