70103220 has 48 divisors (see below), whose sum is σ = 214135488. Its totient is φ = 16994560.

The previous prime is 70103207. The next prime is 70103249. The reversal of 70103220 is 2230107.

It is a super-2 number, since 2×70103220² = 9828922908736800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 70103220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52449 + ... + 53768.

It is an arithmetic number, because the mean of its divisors is an integer number (4461156).

Almost surely, 2^70103220 is an apocalyptic number.

It is an amenable number.

70103220 is an abundant number, since it is smaller than the sum of its proper divisors (144032268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70103220 is a wasteful number, since it uses less digits than its factorization.

70103220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106240 (or 106238 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 70103220 is about 8372.7665678675. The cubic root of 70103220 is about 412.3310014790.

Adding to 70103220 its reverse (2230107), we get a palindrome (72333327).

The spelling of 70103220 in words is "seventy million, one hundred three thousand, two hundred twenty".