22572022 has 16 divisors (see below), whose sum is σ = 39109392. Its totient is φ = 9656320.

The previous prime is 22571987. The next prime is 22572029. The reversal of 22572022 is 22027522.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 22571984 and 22572002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22572029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29803 + ... + 30550.

It is an arithmetic number, because the mean of its divisors is an integer number (2444337).

Almost surely, 2^22572022 is an apocalyptic number.

22572022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22572022 is a deficient number, since it is larger than the sum of its proper divisors (16537370).

22572022 is a wasteful number, since it uses less digits than its factorization.

22572022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60383.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 22572022 is about 4751.0022100605. The cubic root of 22572022 is about 282.6117113730.

Adding to 22572022 its reverse (22027522), we get a palindrome (44599544).

It can be divided in two parts, 2257 and 2022, that multiplied together give a palindrome (4563654).

The spelling of 22572022 in words is "twenty-two million, five hundred seventy-two thousand, twenty-two".