22678250 has 32 divisors (see below), whose sum is σ = 48522240. Its totient is φ = 7774800.

The previous prime is 22678241. The next prime is 22678259. The reversal of 22678250 is 5287622.

It is an interprime number because it is at equal distance from previous prime (22678241) and next prime (22678259).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22678259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4730 + ... + 8229.

It is an arithmetic number, because the mean of its divisors is an integer number (1516320).

Almost surely, 2^22678250 is an apocalyptic number.

22678250 is an abundant number, since it is smaller than the sum of its proper divisors (25843990).

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

22678250 is a wasteful number, since it uses less digits than its factorization.

22678250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12983 (or 12973 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 22678250 is about 4762.1686236420. The cubic root of 22678250 is about 283.0543582398.

The spelling of 22678250 in words is "twenty-two million, six hundred seventy-eight thousand, two hundred fifty".