22474380 has 96 divisors (see below), whose sum is σ = 66705408. Its totient is φ = 5644800.

The previous prime is 22474379. The next prime is 22474399. The reversal of 22474380 is 8347422.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79840 + ... + 80120.

It is an arithmetic number, because the mean of its divisors is an integer number (694848).

Almost surely, 2^22474380 is an apocalyptic number.

22474380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22474380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33352704).

22474380 is an abundant number, since it is smaller than the sum of its proper divisors (44231028).

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

22474380 is a wasteful number, since it uses less digits than its factorization.

22474380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 22474380 is about 4740.7151359262. The cubic root of 22474380 is about 282.2036153324.

The spelling of 22474380 in words is "twenty-two million, four hundred seventy-four thousand, three hundred eighty".