22013272 has 16 divisors (see below), whose sum is σ = 41524560. Its totient is φ = 10940064.

The previous prime is 22013239. The next prime is 22013273. The reversal of 22013272 is 27231022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22013273) 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, 6903 + ... + 9574.

It is an arithmetic number, because the mean of its divisors is an integer number (2595285).

Almost surely, 2^22013272 is an apocalyptic number.

It is an amenable number.

22013272 is a deficient number, since it is larger than the sum of its proper divisors (19511288).

22013272 is a wasteful number, since it uses less digits than its factorization.

22013272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16650 (or 16646 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 22013272 is about 4691.8303464639. The cubic root of 22013272 is about 280.2602682022.

Adding to 22013272 its reverse (27231022), we get a palindrome (49244294).

The spelling of 22013272 in words is "twenty-two million, thirteen thousand, two hundred seventy-two".