22474780 has 12 divisors (see below), whose sum is σ = 47197080. Its totient is φ = 8989904.

The previous prime is 22474759. The next prime is 22474801. The reversal of 22474780 is 8747422.

It is an interprime number because it is at equal distance from previous prime (22474759) and next prime (22474801).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561850 + ... + 561889.

It is an arithmetic number, because the mean of its divisors is an integer number (3933090).

Almost surely, 2^22474780 is an apocalyptic number.

22474780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22474780 is an abundant number, since it is smaller than the sum of its proper divisors (24722300).

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

22474780 is a wasteful number, since it uses less digits than its factorization.

22474780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123748 (or 1123746 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 22474780 is about 4740.7573234664. The cubic root of 22474780 is about 282.2052895465.

The spelling of 22474780 in words is "twenty-two million, four hundred seventy-four thousand, seven hundred eighty".