22678230 has 48 divisors (see below), whose sum is σ = 56936880. Its totient is φ = 5780544.

The previous prime is 22678219. The next prime is 22678241. The reversal of 22678230 is 3287622.

It is an interprime number because it is at equal distance from previous prime (22678219) and next prime (22678241).

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15156 + ... + 16584.

It is an arithmetic number, because the mean of its divisors is an integer number (1186185).

Almost surely, 2^22678230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22678230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28468440).

22678230 is an abundant number, since it is smaller than the sum of its proper divisors (34258650).

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

22678230 is a wasteful number, since it uses less digits than its factorization.

22678230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485 (or 1462 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 22678230 is about 4762.1665237579. The cubic root of 22678230 is about 283.0542750310.

The spelling of 22678230 in words is "twenty-two million, six hundred seventy-eight thousand, two hundred thirty".