22937742 has 48 divisors (see below), whose sum is σ = 52132080. Its totient is φ = 7558272.

The previous prime is 22937723. The next prime is 22937767. The reversal of 22937742 is 24773922.

It is a super-2 number, since 2×22937742² = 1052280016117128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22937697 and 22937706.

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, 52758 + ... + 53190.

It is an arithmetic number, because the mean of its divisors is an integer number (1086085).

Almost surely, 2^22937742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22937742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26066040).

22937742 is an abundant number, since it is smaller than the sum of its proper divisors (29194338).

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

22937742 is a wasteful number, since it uses less digits than its factorization.

22937742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559 (or 547 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 22937742 is about 4789.3362796947. The cubic root of 22937742 is about 284.1298668770.

The spelling of 22937742 in words is "twenty-two million, nine hundred thirty-seven thousand, seven hundred forty-two".