70222464 has 160 divisors (see below), whose sum is σ = 225488340. Its totient is φ = 21565440.

The previous prime is 70222459. The next prime is 70222507. The reversal of 70222464 is 46422207.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63872064 + 6350400 = 7992^2 + 2520^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 134524 + ... + 135044.

Almost surely, 2^70222464 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 70222464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112744170).

70222464 is an abundant number, since it is smaller than the sum of its proper divisors (155265876).

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

70222464 is a wasteful number, since it uses less digits than its factorization.

70222464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 70222464 is about 8379.8844860774. The cubic root of 70222464 is about 412.5646576333.

The spelling of 70222464 in words is "seventy million, two hundred twenty-two thousand, four hundred sixty-four".