70615021222 has 16 divisors (see below), whose sum is σ = 110769747552. Its totient is φ = 33698491200.

The previous prime is 70615021187. The next prime is 70615021237. The reversal of 70615021222 is 22212051607.

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, 1658529 + ... + 1700572.

It is an arithmetic number, because the mean of its divisors is an integer number (6923109222).

Almost surely, 2^70615021222 is an apocalyptic number.

70615021222 is a deficient number, since it is larger than the sum of its proper divisors (40154726330).

70615021222 is a wasteful number, since it uses less digits than its factorization.

70615021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359583.

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 70615021222 its reverse (22212051607), we get a palindrome (92827072829).

The spelling of 70615021222 in words is "seventy billion, six hundred fifteen million, twenty-one thousand, two hundred twenty-two".