22272602 has 16 divisors (see below), whose sum is σ = 38031552. Its totient is φ = 9683520.

The previous prime is 22272589. The next prime is 22272611. The reversal of 22272602 is 20627222.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21503 + ... + 22514.

It is an arithmetic number, because the mean of its divisors is an integer number (2376972).

Almost surely, 2^22272602 is an apocalyptic number.

22272602 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22272602 is a deficient number, since it is larger than the sum of its proper divisors (15758950).

22272602 is a wasteful number, since it uses less digits than its factorization.

22272602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44053.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 22272602 is about 4719.3857651182. The cubic root of 22272602 is about 281.3565211653.

Adding to 22272602 its reverse (20627222), we get a palindrome (42899824).

The spelling of 22272602 in words is "twenty-two million, two hundred seventy-two thousand, six hundred two".