70220452 has 24 divisors (see below), whose sum is σ = 125855352. Its totient is φ = 34272000.

The previous prime is 70220441. The next prime is 70220461. The reversal of 70220452 is 25402207.

It can be written as a sum of positive squares in 4 ways, for example, as 7873636 + 62346816 = 2806^2 + 7896^2 .

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, 28302 + ... + 30682.

It is an arithmetic number, because the mean of its divisors is an integer number (5243973).

Almost surely, 2^70220452 is an apocalyptic number.

It is an amenable number.

70220452 is a deficient number, since it is larger than the sum of its proper divisors (55634900).

70220452 is a wasteful number, since it uses less digits than its factorization.

70220452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2559 (or 2557 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 70220452 is about 8379.7644358299. The cubic root of 70220452 is about 412.5607173556.

Adding to 70220452 its reverse (25402207), we get a palindrome (95622659).

The spelling of 70220452 in words is "seventy million, two hundred twenty thousand, four hundred fifty-two".