22275738 has 24 divisors (see below), whose sum is σ = 48391200. Its totient is φ = 7405704.

The previous prime is 22275719. The next prime is 22275749. The reversal of 22275738 is 83757222.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6493 + ... + 9311.

It is an arithmetic number, because the mean of its divisors is an integer number (2016300).

Almost surely, 2^22275738 is an apocalyptic number.

22275738 is an abundant number, since it is smaller than the sum of its proper divisors (26115462).

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

22275738 is a wasteful number, since it uses less digits than its factorization.

22275738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266 (or 3263 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 22275738 is about 4719.7180000504. The cubic root of 22275738 is about 281.3697256192.

The spelling of 22275738 in words is "twenty-two million, two hundred seventy-five thousand, seven hundred thirty-eight".