70144322 has 4 divisors (see below), whose sum is σ = 105216486. Its totient is φ = 35072160.

The previous prime is 70144297. The next prime is 70144367. The reversal of 70144322 is 22344107.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 69872881 + 271441 = 8359^2 + 521^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17536079 + ... + 17536082.

Almost surely, 2^70144322 is an apocalyptic number.

70144322 is a deficient number, since it is larger than the sum of its proper divisors (35072164).

70144322 is a wasteful number, since it uses less digits than its factorization.

70144322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35072163.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 70144322 is about 8375.2207135096. The cubic root of 70144322 is about 412.4115699023.

Adding to 70144322 its reverse (22344107), we get a palindrome (92488429).

The spelling of 70144322 in words is "seventy million, one hundred forty-four thousand, three hundred twenty-two".