225490291958 has 32 divisors (see below), whose sum is σ = 341877594240. Its totient is φ = 111538944000.

The previous prime is 225490291937. The next prime is 225490291963. The reversal of 225490291958 is 859192094522.

It is a happy number.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86426558 + ... + 86429166.

It is an arithmetic number, because the mean of its divisors is an integer number (10683674820).

Almost surely, 2^225490291958 is an apocalyptic number.

225490291958 is a deficient number, since it is larger than the sum of its proper divisors (116387302282).

225490291958 is a wasteful number, since it uses less digits than its factorization.

225490291958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3944.

The product of its (nonzero) digits is 4665600, while the sum is 56.

The spelling of 225490291958 in words is "two hundred twenty-five billion, four hundred ninety million, two hundred ninety-one thousand, nine hundred fifty-eight".