22450722 has 32 divisors (see below), whose sum is σ = 52368000. Its totient is φ = 6413904.

The previous prime is 22450721. The next prime is 22450733. The reversal of 22450722 is 22705422.

It is a junction number, because it is equal to n+sod(n) for n = 22450692 and 22450701.

It is not an unprimeable number, because it can be changed into a prime (22450721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3397 + ... + 7512.

It is an arithmetic number, because the mean of its divisors is an integer number (1636500).

Almost surely, 2^22450722 is an apocalyptic number.

22450722 is an abundant number, since it is smaller than the sum of its proper divisors (29917278).

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

22450722 is a wasteful number, since it uses less digits than its factorization.

22450722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10935 (or 10921 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 22450722 is about 4738.2192857655. The cubic root of 22450722 is about 282.1045585817.

The spelling of 22450722 in words is "twenty-two million, four hundred fifty thousand, seven hundred twenty-two".