22226351 has 6 divisors (see below), whose sum is σ = 25855200. Its totient is φ = 19051116.

The previous prime is 22226341. The next prime is 22226357. The reversal of 22226351 is 15362222.

It is a de Polignac number, because none of the positive numbers 2^k-22226351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22226357) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 226751 + ... + 226848.

It is an arithmetic number, because the mean of its divisors is an integer number (4309200).

Almost surely, 2^22226351 is an apocalyptic number.

22226351 is a deficient number, since it is larger than the sum of its proper divisors (3628849).

22226351 is an equidigital number, since it uses as much as digits as its factorization.

22226351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453613 (or 453606 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 22226351 is about 4714.4831105859. The cubic root of 22226351 is about 281.1616324193.

Adding to 22226351 its reverse (15362222), we get a palindrome (37588573).

The spelling of 22226351 in words is "twenty-two million, two hundred twenty-six thousand, three hundred fifty-one".