90228802 has 16 divisors (see below), whose sum is σ = 141704640. Its totient is φ = 43031632.

The previous prime is 90228799. The next prime is 90228811. The reversal of 90228802 is 20882209.

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, 4558 + ... + 14185.

It is an arithmetic number, because the mean of its divisors is an integer number (8856540).

Almost surely, 2^90228802 is an apocalyptic number.

90228802 is a deficient number, since it is larger than the sum of its proper divisors (51475838).

90228802 is a wasteful number, since it uses less digits than its factorization.

90228802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18857.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 90228802 is about 9498.8842502686. The cubic root of 90228802 is about 448.5199141718.

The spelling of 90228802 in words is "ninety million, two hundred twenty-eight thousand, eight hundred two".