70218992228 has 48 divisors (see below), whose sum is σ = 153473768448. Its totient is φ = 27310068000.

The previous prime is 70218992177. The next prime is 70218992257. The reversal of 70218992228 is 82229981207.

It is a happy 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, 23768 + ... + 375503.

It is an arithmetic number, because the mean of its divisors is an integer number (3197370176).

Almost surely, 2^70218992228 is an apocalyptic number.

It is an amenable number.

70218992228 is an abundant number, since it is smaller than the sum of its proper divisors (83254776220).

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

70218992228 is a wasteful number, since it uses less digits than its factorization.

70218992228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399864 (or 399862 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 70218992228 in words is "seventy billion, two hundred eighteen million, nine hundred ninety-two thousand, two hundred twenty-eight".