22149084 has 12 divisors (see below), whose sum is σ = 51681224. Its totient is φ = 7383024.

The previous prime is 22149073. The next prime is 22149091. The reversal of 22149084 is 48094122.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 922867 + ... + 922890.

Almost surely, 2^22149084 is an apocalyptic number.

It is an amenable number.

22149084 is an abundant number, since it is smaller than the sum of its proper divisors (29532140).

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

22149084 is a wasteful number, since it uses less digits than its factorization.

22149084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845764 (or 1845762 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 22149084 is about 4706.2813345570. The cubic root of 22149084 is about 280.8354469419.

The spelling of 22149084 in words is "twenty-two million, one hundred forty-nine thousand, eighty-four".