22270894 has 4 divisors (see below), whose sum is σ = 33406344. Its totient is φ = 11135446.

The previous prime is 22270891. The next prime is 22270931. The reversal of 22270894 is 49807222.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22270891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5567722 + ... + 5567725.

It is an arithmetic number, because the mean of its divisors is an integer number (8351586).

Almost surely, 2^22270894 is an apocalyptic number.

22270894 is a deficient number, since it is larger than the sum of its proper divisors (11135450).

22270894 is a wasteful number, since it uses less digits than its factorization.

22270894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11135449.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 22270894 is about 4719.2048058969. The cubic root of 22270894 is about 281.3493289324.

The spelling of 22270894 in words is "twenty-two million, two hundred seventy thousand, eight hundred ninety-four".