22276394 has 32 divisors (see below), whose sum is σ = 39312000. Its totient is φ = 9270720.

The previous prime is 22276393. The next prime is 22276399. The reversal of 22276394 is 49367222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22276393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122984 + ... + 123164.

It is an arithmetic number, because the mean of its divisors is an integer number (1228500).

Almost surely, 2^22276394 is an apocalyptic number.

22276394 is a deficient number, since it is larger than the sum of its proper divisors (17035606).

22276394 is a wasteful number, since it uses less digits than its factorization.

22276394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398.

The product of its digits is 36288, while the sum is 35.

The square root of 22276394 is about 4719.7874952163. The cubic root of 22276394 is about 281.3724876187.

The spelling of 22276394 in words is "twenty-two million, two hundred seventy-six thousand, three hundred ninety-four".