22372274 has 8 divisors (see below), whose sum is σ = 33904668. Its totient is φ = 11070720.

The previous prime is 22372267. The next prime is 22372277. The reversal of 22372274 is 47227322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20313049 + 2059225 = 4507^2 + 1435^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22372277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57467 + ... + 57854.

Almost surely, 2^22372274 is an apocalyptic number.

22372274 is a deficient number, since it is larger than the sum of its proper divisors (11532394).

22372274 is a wasteful number, since it uses less digits than its factorization.

22372274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115420.

The product of its digits is 9408, while the sum is 29.

The square root of 22372274 is about 4729.9338261756. The cubic root of 22372274 is about 281.7755956651.

Adding to 22372274 its reverse (47227322), we get a palindrome (69599596).

The spelling of 22372274 in words is "twenty-two million, three hundred seventy-two thousand, two hundred seventy-four".