70222057 has 4 divisors (see below), whose sum is σ = 70309456. Its totient is φ = 70134660.

The previous prime is 70222049. The next prime is 70222063. The reversal of 70222057 is 75022207.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70222057 - 2³ = 70222049 is a prime.

It is a super-2 number, since 2×70222057² = 9862274578622498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70222007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42483 + ... + 44104.

It is an arithmetic number, because the mean of its divisors is an integer number (17577364).

Almost surely, 2^70222057 is an apocalyptic number.

It is an amenable number.

70222057 is a deficient number, since it is larger than the sum of its proper divisors (87399).

70222057 is an equidigital number, since it uses as much as digits as its factorization.

70222057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87398.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 70222057 is about 8379.8602016979. The cubic root of 70222057 is about 412.5638605752.

The spelling of 70222057 in words is "seventy million, two hundred twenty-two thousand, fifty-seven".