22402328 has 32 divisors (see below), whose sum is σ = 47900160. Its totient is φ = 9730560.

The previous prime is 22402327. The next prime is 22402337. The reversal of 22402328 is 82320422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22402327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4568 + ... + 8103.

It is an arithmetic number, because the mean of its divisors is an integer number (1496880).

Almost surely, 2^22402328 is an apocalyptic number.

It is an amenable number.

22402328 is an abundant number, since it is smaller than the sum of its proper divisors (25497832).

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

22402328 is a wasteful number, since it uses less digits than its factorization.

22402328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12707 (or 12703 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 22402328 is about 4733.1097599781. The cubic root of 22402328 is about 281.9017144868.

The spelling of 22402328 in words is "twenty-two million, four hundred two thousand, three hundred twenty-eight".