22164350 has 72 divisors (see below), whose sum is σ = 46427832. Its totient is φ = 7862400.

The previous prime is 22164347. The next prime is 22164367. The reversal of 22164350 is 5346122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 363320 + ... + 363380.

It is an arithmetic number, because the mean of its divisors is an integer number (644831).

Almost surely, 2^22164350 is an apocalyptic number.

22164350 is an abundant number, since it is smaller than the sum of its proper divisors (24263482).

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

22164350 is a wasteful number, since it uses less digits than its factorization.

22164350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 124 counting only the distinct ones).

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

The square root of 22164350 is about 4707.9029301803. The cubic root of 22164350 is about 280.8999529855.

The spelling of 22164350 in words is "twenty-two million, one hundred sixty-four thousand, three hundred fifty".