22130748 has 18 divisors (see below), whose sum is σ = 55941704. Its totient is φ = 7376904.

The previous prime is 22130737. The next prime is 22130777. The reversal of 22130748 is 84703122.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 307336 + ... + 307407.

Almost surely, 2^22130748 is an apocalyptic number.

It is an amenable number.

22130748 is an abundant number, since it is smaller than the sum of its proper divisors (33810956).

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

22130748 is a wasteful number, since it uses less digits than its factorization.

22130748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614753 (or 614748 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 22130748 is about 4704.3328963839. The cubic root of 22130748 is about 280.7579295094.

The spelling of 22130748 in words is "twenty-two million, one hundred thirty thousand, seven hundred forty-eight".