22022316 has 36 divisors (see below), whose sum is σ = 58090032. Its totient is φ = 7021344.

The previous prime is 22022309. The next prime is 22022323. The reversal of 22022316 is 61322022.

It is an interprime number because it is at equal distance from previous prime (22022309) and next prime (22022323).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12471 + ... + 14126.

It is an arithmetic number, because the mean of its divisors is an integer number (1613612).

Almost surely, 2^22022316 is an apocalyptic number.

It is an amenable number.

22022316 is an abundant number, since it is smaller than the sum of its proper divisors (36067716).

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

22022316 is a wasteful number, since it uses less digits than its factorization.

22022316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26630 (or 26625 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 22022316 is about 4692.7940504565. The cubic root of 22022316 is about 280.2986439425.

Adding to 22022316 its reverse (61322022), we get a palindrome (83344338).

The spelling of 22022316 in words is "twenty-two million, twenty-two thousand, three hundred sixteen".