225490291898 has 16 divisors (see below), whose sum is σ = 338581871424. Its totient is φ = 112629714240.

The previous prime is 225490291883. The next prime is 225490291909. The reversal of 225490291898 is 898192094522.

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, 13668611 + ... + 13685097.

It is an arithmetic number, because the mean of its divisors is an integer number (21161366964).

Almost surely, 2^225490291898 is an apocalyptic number.

225490291898 is a deficient number, since it is larger than the sum of its proper divisors (113091579526).

225490291898 is a wasteful number, since it uses less digits than its factorization.

225490291898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23077.

The product of its (nonzero) digits is 7464960, while the sum is 59.

The spelling of 225490291898 in words is "two hundred twenty-five billion, four hundred ninety million, two hundred ninety-one thousand, eight hundred ninety-eight".