22741320 has 64 divisors (see below), whose sum is σ = 77973120. Its totient is φ = 5197824.

The previous prime is 22741297. The next prime is 22741331. The reversal of 22741320 is 2314722.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12697 + ... + 14376.

It is an arithmetic number, because the mean of its divisors is an integer number (1218330).

Almost surely, 2^22741320 is an apocalyptic number.

22741320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22741320 is an abundant number, since it is smaller than the sum of its proper divisors (55231800).

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

22741320 is a wasteful number, since it uses less digits than its factorization.

22741320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27094 (or 27090 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 22741320 is about 4768.7860090384. The cubic root of 22741320 is about 283.3165141881.

The spelling of 22741320 in words is "twenty-two million, seven hundred forty-one thousand, three hundred twenty".