22232316 has 24 divisors (see below), whose sum is σ = 52980480. Its totient is φ = 7252912.

The previous prime is 22232279. The next prime is 22232317. The reversal of 22232316 is 61323222.

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

It is a junction number, because it is equal to n+sod(n) for n = 22232292 and 22232301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22232317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19146 + ... + 20273.

It is an arithmetic number, because the mean of its divisors is an integer number (2207520).

Almost surely, 2^22232316 is an apocalyptic number.

It is an amenable number.

22232316 is an abundant number, since it is smaller than the sum of its proper divisors (30748164).

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

22232316 is a wasteful number, since it uses less digits than its factorization.

22232316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39473 (or 39471 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 22232316 is about 4715.1156931723. The cubic root of 22232316 is about 281.1867824334.

Adding to 22232316 its reverse (61323222), we get a palindrome (83555538).

The spelling of 22232316 in words is "twenty-two million, two hundred thirty-two thousand, three hundred sixteen".