70222756 has 6 divisors (see below), whose sum is σ = 122889830. Its totient is φ = 35111376.

The previous prime is 70222739. The next prime is 70222759. The reversal of 70222756 is 65722207.

It can be written as a sum of positive squares in only one way, i.e., 38862756 + 31360000 = 6234^2 + 5600^2 .

It is not an unprimeable number, because it can be changed into a prime (70222759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8777841 + ... + 8777848.

Almost surely, 2^70222756 is an apocalyptic number.

It is an amenable number.

70222756 is a deficient number, since it is larger than the sum of its proper divisors (52667074).

70222756 is a wasteful number, since it uses less digits than its factorization.

70222756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17555693 (or 17555691 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 70222756 is about 8379.9019087338. The cubic root of 70222756 is about 412.5652294764.

The spelling of 70222756 in words is "seventy million, two hundred twenty-two thousand, seven hundred fifty-six".