22227257000 has 64 divisors (see below), whose sum is σ = 56012720400. Its totient is φ = 8206982400.

The previous prime is 22227256903. The next prime is 22227257009. The reversal of 22227257000 is 75272222.

It can be written as a sum of positive squares in 8 ways, for example, as 801909124 + 21425347876 = 28318^2 + 146374^2 .

It is not an unprimeable number, because it can be changed into a prime (22227257009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 841895 + ... + 867894.

Almost surely, 2^22227257000 is an apocalyptic number.

22227257000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22227257000 is an abundant number, since it is smaller than the sum of its proper divisors (33785463400).

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

22227257000 is a wasteful number, since it uses less digits than its factorization.

22227257000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709823 (or 1709809 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The spelling of 22227257000 in words is "twenty-two billion, two hundred twenty-seven million, two hundred fifty-seven thousand".