22232226 has 32 divisors (see below), whose sum is σ = 47348928. Its totient is φ = 6935040.

The previous prime is 22232219. The next prime is 22232233. The reversal of 22232226 is 62223222.

It is an interprime number because it is at equal distance from previous prime (22232219) and next prime (22232233).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21006 + ... + 22038.

It is an arithmetic number, because the mean of its divisors is an integer number (1479654).

Almost surely, 2^22232226 is an apocalyptic number.

22232226 is an abundant number, since it is smaller than the sum of its proper divisors (25116702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22232226 is a wasteful number, since it uses less digits than its factorization.

22232226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266.

The product of its digits is 1152, while the sum is 21.

The square root of 22232226 is about 4715.1061493884. The cubic root of 22232226 is about 281.1864030031.

Adding to 22232226 its reverse (62223222), we get a palindrome (84455448).

The spelling of 22232226 in words is "twenty-two million, two hundred thirty-two thousand, two hundred twenty-six".