90226099 has 4 divisors (see below), whose sum is σ = 90256320. Its totient is φ = 90195880.

The previous prime is 90226069. The next prime is 90226109. The reversal of 90226099 is 99062209.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90226099 - 2⁹ = 90225587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90226039) 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, 10072 + ... + 16789.

It is an arithmetic number, because the mean of its divisors is an integer number (22564080).

Almost surely, 2^90226099 is an apocalyptic number.

90226099 is a deficient number, since it is larger than the sum of its proper divisors (30221).

90226099 is a wasteful number, since it uses less digits than its factorization.

90226099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30220.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 90226099 is about 9498.7419693347. The cubic root of 90226099 is about 448.5154353306.

The spelling of 90226099 in words is "ninety million, two hundred twenty-six thousand, ninety-nine".