225558460740 has 48 divisors (see below), whose sum is σ = 631623263040. Its totient is φ = 60143249280.

The previous prime is 225558460739. The next prime is 225558460747. The reversal of 225558460740 is 47064855522.

It is a super-2 number, since 2×225558460740² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 225558460740.

It is not an unprimeable number, because it can be changed into a prime (225558460747) 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, 484510 + ... + 828170.

It is an arithmetic number, because the mean of its divisors is an integer number (13158817980).

Almost surely, 2^225558460740 is an apocalyptic number.

225558460740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225558460740 is an abundant number, since it is smaller than the sum of its proper divisors (406064802300).

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

225558460740 is a wasteful number, since it uses less digits than its factorization.

225558460740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354612 (or 354610 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 48.

The spelling of 225558460740 in words is "two hundred twenty-five billion, five hundred fifty-eight million, four hundred sixty thousand, seven hundred forty".