22470722 has 8 divisors (see below), whose sum is σ = 34793472. Its totient is φ = 10872900.

The previous prime is 22470713. The next prime is 22470731. The reversal of 22470722 is 22707422.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22470713) and next prime (22470731).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22470691 and 22470700.

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, 181154 + ... + 181277.

It is an arithmetic number, because the mean of its divisors is an integer number (4349184).

Almost surely, 2^22470722 is an apocalyptic number.

22470722 is a deficient number, since it is larger than the sum of its proper divisors (12322750).

22470722 is a wasteful number, since it uses less digits than its factorization.

22470722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362464.

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 22470722 is about 4740.3293134549. The cubic root of 22470722 is about 282.1883037222.

The spelling of 22470722 in words is "twenty-two million, four hundred seventy thousand, seven hundred twenty-two".