70222905 has 48 divisors (see below), whose sum is σ = 127595520. Its totient is φ = 35683200.

The previous prime is 70222877. The next prime is 70222907. The reversal of 70222905 is 50922207.

It is a happy number.

It is not a de Polignac number, because 70222905 - 2⁷ = 70222777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70222907) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98691 + ... + 99399.

It is an arithmetic number, because the mean of its divisors is an integer number (2658240).

Almost surely, 2^70222905 is an apocalyptic number.

It is an amenable number.

70222905 is a deficient number, since it is larger than the sum of its proper divisors (57372615).

70222905 is a wasteful number, since it uses less digits than its factorization.

70222905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822 (or 819 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 70222905 is about 8379.9107990479. The cubic root of 70222905 is about 412.5655212725.

The spelling of 70222905 in words is "seventy million, two hundred twenty-two thousand, nine hundred five".