90229867 has 16 divisors (see below), whose sum is σ = 113639680. Its totient is φ = 69727392.

The previous prime is 90229861. The next prime is 90229901. The reversal of 90229867 is 76892209.

It is a happy number.

It is not a de Polignac number, because 90229867 - 2³ = 90229859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (90229861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7617 + ... + 15442.

It is an arithmetic number, because the mean of its divisors is an integer number (7102480).

Almost surely, 2^90229867 is an apocalyptic number.

90229867 is a deficient number, since it is larger than the sum of its proper divisors (23409813).

90229867 is a wasteful number, since it uses less digits than its factorization.

90229867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23122.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 90229867 is about 9498.9403093187. The cubic root of 90229867 is about 448.5216788405.

The spelling of 90229867 in words is "ninety million, two hundred twenty-nine thousand, eight hundred sixty-seven".