870225432 has 16 divisors (see below), whose sum is σ = 2175563640. Its totient is φ = 290075136.

The previous prime is 870225431. The next prime is 870225437. The reversal of 870225432 is 234522078.

It is a junction number, because it is equal to n+sod(n) for n = 870225393 and 870225402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870225431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18129673 + ... + 18129720.

Almost surely, 2^870225432 is an apocalyptic number.

It is an amenable number.

870225432 is an abundant number, since it is smaller than the sum of its proper divisors (1305338208).

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

870225432 is a wasteful number, since it uses less digits than its factorization.

870225432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36259402 (or 36259398 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 870225432 is about 29499.5835902814. The cubic root of 870225432 is about 954.7227183997.

The spelling of 870225432 in words is "eight hundred seventy million, two hundred twenty-five thousand, four hundred thirty-two".