22348380 has 24 divisors (see below), whose sum is σ = 62575632. Its totient is φ = 5959552.

The previous prime is 22348373. The next prime is 22348409. The reversal of 22348380 is 8384322.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186177 + ... + 186296.

It is an arithmetic number, because the mean of its divisors is an integer number (2607318).

Almost surely, 2^22348380 is an apocalyptic number.

22348380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22348380 is an abundant number, since it is smaller than the sum of its proper divisors (40227252).

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

22348380 is a wasteful number, since it uses less digits than its factorization.

22348380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372485 (or 372483 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 22348380 is about 4727.4073232587. The cubic root of 22348380 is about 281.6752460925.

The spelling of 22348380 in words is "twenty-two million, three hundred forty-eight thousand, three hundred eighty".