22274274 has 16 divisors (see below), whose sum is σ = 48598560. Its totient is φ = 6749760.

The previous prime is 22274261. The next prime is 22274279. The reversal of 22274274 is 47247222.

It is a super-2 number, since 2×22274274² = 992286564454152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22274279) 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, 168679 + ... + 168810.

It is an arithmetic number, because the mean of its divisors is an integer number (3037410).

Almost surely, 2^22274274 is an apocalyptic number.

22274274 is an abundant number, since it is smaller than the sum of its proper divisors (26324286).

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

22274274 is a wasteful number, since it uses less digits than its factorization.

22274274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337505.

The product of its digits is 12544, while the sum is 30.

The square root of 22274274 is about 4719.5629034901. The cubic root of 22274274 is about 281.3635614493.

The spelling of 22274274 in words is "twenty-two million, two hundred seventy-four thousand, two hundred seventy-four".