22058740 has 24 divisors (see below), whose sum is σ = 50535072. Its totient is φ = 8021280.

The previous prime is 22058731. The next prime is 22058747. The reversal of 22058740 is 4785022.

It is a junction number, because it is equal to n+sod(n) for n = 22058699 and 22058708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22058747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49914 + ... + 50353.

It is an arithmetic number, because the mean of its divisors is an integer number (2105628).

Almost surely, 2^22058740 is an apocalyptic number.

22058740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22058740 is an abundant number, since it is smaller than the sum of its proper divisors (28476332).

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

22058740 is a wasteful number, since it uses less digits than its factorization.

22058740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100287 (or 100285 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 22058740 is about 4696.6732907453. The cubic root of 22058740 is about 280.4530929451.

The spelling of 22058740 in words is "twenty-two million, fifty-eight thousand, seven hundred forty".