22325730 has 64 divisors (see below), whose sum is σ = 62754048. Its totient is φ = 4976640.

The previous prime is 22325687. The next prime is 22325761. The reversal of 22325730 is 3752322.

It is a super-3 number, since 3×22325730³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22325730.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7314 + ... + 9906.

It is an arithmetic number, because the mean of its divisors is an integer number (980532).

Almost surely, 2^22325730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22325730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31377024).

22325730 is an abundant number, since it is smaller than the sum of its proper divisors (40428318).

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

22325730 is a wasteful number, since it uses less digits than its factorization.

22325730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 22325730 is about 4725.0111110980. The cubic root of 22325730 is about 281.5800549886.

The spelling of 22325730 in words is "twenty-two million, three hundred twenty-five thousand, seven hundred thirty".