22253427 has 32 divisors (see below), whose sum is σ = 39667200. Its totient is φ = 12045024.

The previous prime is 22253423. The next prime is 22253437. The reversal of 22253427 is 72435222.

It is not a de Polignac number, because 22253427 - 2² = 22253423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 22253427.

It is not an unprimeable number, because it can be changed into a prime (22253423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 493 + ... + 6689.

It is an arithmetic number, because the mean of its divisors is an integer number (1239600).

Almost surely, 2^22253427 is an apocalyptic number.

22253427 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

22253427 is a deficient number, since it is larger than the sum of its proper divisors (17413773).

22253427 is a wasteful number, since it uses less digits than its factorization.

22253427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6232 (or 6226 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 22253427 is about 4717.3538133153. The cubic root of 22253427 is about 281.2757558635.

Adding to 22253427 its reverse (72435222), we get a palindrome (94688649).

The spelling of 22253427 in words is "twenty-two million, two hundred fifty-three thousand, four hundred twenty-seven".