70221824625 has 32 divisors (see below), whose sum is σ = 119335297536. Its totient is φ = 36654787200.

The previous prime is 70221824623. The next prime is 70221824669. The reversal of 70221824625 is 52642812207.

It is not a de Polignac number, because 70221824625 - 2¹ = 70221824623 is a prime.

It is a super-2 number, since 2×70221824625² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70221824623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1974484 + ... + 2009733.

It is an arithmetic number, because the mean of its divisors is an integer number (3729228048).

Almost surely, 2^70221824625 is an apocalyptic number.

70221824625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

70221824625 is a deficient number, since it is larger than the sum of its proper divisors (49113472911).

70221824625 is a wasteful number, since it uses less digits than its factorization.

70221824625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3984282 (or 3984272 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 70221824625 in words is "seventy billion, two hundred twenty-one million, eight hundred twenty-four thousand, six hundred twenty-five".