70221514 has 16 divisors (see below), whose sum is σ = 115055136. Its totient is φ = 31878000.

The previous prime is 70221497. The next prime is 70221539. The reversal of 70221514 is 41512207.

It is a happy number.

It is a super-2 number, since 2×70221514² = 9862122056904392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 21604 + ... + 24640.

It is an arithmetic number, because the mean of its divisors is an integer number (7190946).

Almost surely, 2^70221514 is an apocalyptic number.

70221514 is a deficient number, since it is larger than the sum of its proper divisors (44833622).

70221514 is a wasteful number, since it uses less digits than its factorization.

70221514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4101.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 70221514 is about 8379.8278025267. The cubic root of 70221514 is about 412.5627971736.

The spelling of 70221514 in words is "seventy million, two hundred twenty-one thousand, five hundred fourteen".