70422331 has 8 divisors (see below), whose sum is σ = 80781824. Its totient is φ = 60137640.

The previous prime is 70422311. The next prime is 70422349. The reversal of 70422331 is 13322407.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70422331 - 2⁵ = 70422299 is a prime.

It is a super-2 number, since 2×70422331² = 9918609406947122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70422301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16665 + ... + 20458.

It is an arithmetic number, because the mean of its divisors is an integer number (10097728).

Almost surely, 2^70422331 is an apocalyptic number.

70422331 is a deficient number, since it is larger than the sum of its proper divisors (10359493).

70422331 is a wasteful number, since it uses less digits than its factorization.

70422331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37401.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 70422331 is about 8391.8014156676. The cubic root of 70422331 is about 412.9557003688.

Adding to 70422331 its reverse (13322407), we get a palindrome (83744738).

The spelling of 70422331 in words is "seventy million, four hundred twenty-two thousand, three hundred thirty-one".