87225470 has 32 divisors (see below), whose sum is σ = 166795200. Its totient is φ = 32728576.

The previous prime is 87225469. The next prime is 87225473. The reversal of 87225470 is 7452278.

It is a self number, because there is not a number n which added to its sum of digits gives 87225470.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87225473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65471 + ... + 66789.

It is an arithmetic number, because the mean of its divisors is an integer number (5212350).

Almost surely, 2^87225470 is an apocalyptic number.

87225470 is a deficient number, since it is larger than the sum of its proper divisors (79569730).

87225470 is a wasteful number, since it uses less digits than its factorization.

87225470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 87225470 is about 9339.4576930355. The cubic root of 87225470 is about 443.4872167605.

The spelling of 87225470 in words is "eighty-seven million, two hundred twenty-five thousand, four hundred seventy".