90229715 has 8 divisors (see below), whose sum is σ = 109580688. Its totient is φ = 71313760.

The previous prime is 90229697. The next prime is 90229729. The reversal of 90229715 is 51792209.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90229715 - 2⁸ = 90229459 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108296 + ... + 109125.

It is an arithmetic number, because the mean of its divisors is an integer number (13697586).

Almost surely, 2^90229715 is an apocalyptic number.

90229715 is a deficient number, since it is larger than the sum of its proper divisors (19350973).

90229715 is a wasteful number, since it uses less digits than its factorization.

90229715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217509.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 90229715 is about 9498.9323084229. The cubic root of 90229715 is about 448.5214269825.

The spelling of 90229715 in words is "ninety million, two hundred twenty-nine thousand, seven hundred fifteen".