22378125 has 96 divisors (see below), whose sum is σ = 47996928. Its totient is φ = 9000000.

The previous prime is 22378121. The next prime is 22378127. The reversal of 22378125 is 52187322.

It is not a de Polignac number, because 22378125 - 2² = 22378121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22378092 and 22378101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22378121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 721860 + ... + 721890.

It is an arithmetic number, because the mean of its divisors is an integer number (499968).

Almost surely, 2^22378125 is an apocalyptic number.

22378125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22378125 is an abundant number, since it is smaller than the sum of its proper divisors (25618803).

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

22378125 is an equidigital number, since it uses as much as digits as its factorization.

22378125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 57 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 22378125 is about 4730.5522933374. The cubic root of 22378125 is about 281.8001576938.

The spelling of 22378125 in words is "twenty-two million, three hundred seventy-eight thousand, one hundred twenty-five".