70222176 has 144 divisors (see below), whose sum is σ = 216019440. Its totient is φ = 21565440.

The previous prime is 70222171. The next prime is 70222177. The reversal of 70222176 is 67122207.

It is a tau number, because it is divible by the number of its divisors (144).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70222171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224196 + ... + 224508.

It is an arithmetic number, because the mean of its divisors is an integer number (1500135).

Almost surely, 2^70222176 is an apocalyptic number.

70222176 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70222176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108009720).

70222176 is an abundant number, since it is smaller than the sum of its proper divisors (145797264).

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

70222176 is a wasteful number, since it uses less digits than its factorization.

70222176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 70222176 is about 8379.8673020520. The cubic root of 70222176 is about 412.5640936220.

The spelling of 70222176 in words is "seventy million, two hundred twenty-two thousand, one hundred seventy-six".