70220165 has 16 divisors (see below), whose sum is σ = 87540480. Its totient is φ = 54008640.

The previous prime is 70220131. The next prime is 70220179. The reversal of 70220165 is 56102207.

It is not a de Polignac number, because 70220165 - 2¹⁰ = 70219141 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 70220165.

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, 38402 + ... + 40188.

It is an arithmetic number, because the mean of its divisors is an integer number (5471280).

Almost surely, 2^70220165 is an apocalyptic number.

It is an amenable number.

70220165 is a deficient number, since it is larger than the sum of its proper divisors (17320315).

70220165 is a wasteful number, since it uses less digits than its factorization.

70220165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 70220165 is about 8379.7473112260. The cubic root of 70220165 is about 412.5601552920.

The spelling of 70220165 in words is "seventy million, two hundred twenty thousand, one hundred sixty-five".