222257025456 has 40 divisors (see below), whose sum is σ = 575898657984. Its totient is φ = 73861846080.

The previous prime is 222257025437. The next prime is 222257025457. The reversal of 222257025456 is 654520752222.

It is not an unprimeable number, because it can be changed into a prime (222257025457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6978606 + ... + 7010381.

Almost surely, 2^222257025456 is an apocalyptic number.

It is an amenable number.

222257025456 is an abundant number, since it is smaller than the sum of its proper divisors (353641632528).

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

222257025456 is a wasteful number, since it uses less digits than its factorization.

222257025456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13989329 (or 13989323 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 42.

Adding to 222257025456 its reverse (654520752222), we get a palindrome (876777777678).

The spelling of 222257025456 in words is "two hundred twenty-two billion, two hundred fifty-seven million, twenty-five thousand, four hundred fifty-six".