70220166 has 16 divisors (see below), whose sum is σ = 148701744. Its totient is φ = 22029824.

The previous prime is 70220131. The next prime is 70220179. The reversal of 70220166 is 66102207.

It is a happy number.

It is a congruent number.

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, 344115 + ... + 344318.

It is an arithmetic number, because the mean of its divisors is an integer number (9293859).

Almost surely, 2^70220166 is an apocalyptic number.

70220166 is an abundant number, since it is smaller than the sum of its proper divisors (78481578).

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

70220166 is a wasteful number, since it uses less digits than its factorization.

70220166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688455.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 70220166 is about 8379.7473708937. The cubic root of 70220166 is about 412.5601572504.

The spelling of 70220166 in words is "seventy million, two hundred twenty thousand, one hundred sixty-six".