70012224 has 84 divisors (see below), whose sum is σ = 202022964. Its totient is φ = 23181312.

The previous prime is 70012157. The next prime is 70012231. The reversal of 70012224 is 42221007.

It can be written as a sum of positive squares in 2 ways, for example, as 36000000 + 34012224 = 6000^2 + 5832^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 70012197 and 70012206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113164 + ... + 113780.

Almost surely, 2^70012224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70012224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101011482).

70012224 is an abundant number, since it is smaller than the sum of its proper divisors (132010740).

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

70012224 is a wasteful number, since it uses less digits than its factorization.

70012224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832 (or 819 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 70012224 is about 8367.3307571770. The cubic root of 70012224 is about 412.1525183900.

The spelling of 70012224 in words is "seventy million, twelve thousand, two hundred twenty-four".