22273000 has 32 divisors (see below), whose sum is σ = 52121160. Its totient is φ = 8908800.

The previous prime is 22272989. The next prime is 22273019. The reversal of 22273000 is 37222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 910116 + 21362884 = 954^2 + 4622^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10137 + ... + 12136.

Almost surely, 2^22273000 is an apocalyptic number.

22273000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22273000 is an abundant number, since it is smaller than the sum of its proper divisors (29848160).

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

22273000 is a wasteful number, since it uses less digits than its factorization.

22273000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22294 (or 22280 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 22273000 is about 4719.4279314341. The cubic root of 22273000 is about 281.3581970543.

The spelling of 22273000 in words is "twenty-two million, two hundred seventy-three thousand".