70222735156 has 72 divisors (see below), whose sum is σ = 146221842816. Its totient is φ = 29409367680.

The previous prime is 70222735153. The next prime is 70222735207. The reversal of 70222735156 is 65153722207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70222735153) 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, 6286216 + ... + 6297376.

It is an arithmetic number, because the mean of its divisors is an integer number (2030858928).

Almost surely, 2^70222735156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70222735156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73110921408).

70222735156 is an abundant number, since it is smaller than the sum of its proper divisors (75999107660).

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

70222735156 is a wasteful number, since it uses less digits than its factorization.

70222735156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11909 (or 11900 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 70222735156 in words is "seventy billion, two hundred twenty-two million, seven hundred thirty-five thousand, one hundred fifty-six".