70225389 has 12 divisors (see below), whose sum is σ = 109239676. Its totient is φ = 43215552.

The previous prime is 70225367. The next prime is 70225403. The reversal of 70225389 is 98352207.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42029289 + 28196100 = 6483^2 + 5310^2 .

It is not a de Polignac number, because 70225389 - 2⁹ = 70224877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70225189) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 299992 + ... + 300225.

Almost surely, 2^70225389 is an apocalyptic number.

It is an amenable number.

70225389 is a deficient number, since it is larger than the sum of its proper divisors (39014287).

70225389 is a wasteful number, since it uses less digits than its factorization.

70225389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600236 (or 600233 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 70225389 is about 8380.0590093388. The cubic root of 70225389 is about 412.5703857854.

The spelling of 70225389 in words is "seventy million, two hundred twenty-five thousand, three hundred eighty-nine".