22425738 has 16 divisors (see below), whose sum is σ = 47212320. Its totient is φ = 7081776.

The previous prime is 22425709. The next prime is 22425743. The reversal of 22425738 is 83752422.

It is a junction number, because it is equal to n+sod(n) for n = 22425699 and 22425708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98245 + ... + 98472.

It is an arithmetic number, because the mean of its divisors is an integer number (2950770).

Almost surely, 2^22425738 is an apocalyptic number.

22425738 is an abundant number, since it is smaller than the sum of its proper divisors (24786582).

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

22425738 is a wasteful number, since it uses less digits than its factorization.

22425738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196741.

The product of its digits is 26880, while the sum is 33.

The square root of 22425738 is about 4735.5821183884. The cubic root of 22425738 is about 281.9998742517. Note that the first 3 decimals are identical.

The spelling of 22425738 in words is "twenty-two million, four hundred twenty-five thousand, seven hundred thirty-eight".