90022407 has 4 divisors (see below), whose sum is σ = 120029880. Its totient is φ = 60014936.

The previous prime is 90022403. The next prime is 90022423. The reversal of 90022407 is 70422009.

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 90022407 - 2² = 90022403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90022403) 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 3 ways as a sum of consecutive naturals, for example, 15003732 + ... + 15003737.

It is an arithmetic number, because the mean of its divisors is an integer number (30007470).

Almost surely, 2^90022407 is an apocalyptic number.

90022407 is a deficient number, since it is larger than the sum of its proper divisors (30007473).

90022407 is a wasteful number, since it uses less digits than its factorization.

90022407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30007472.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 90022407 is about 9488.0138596020. The cubic root of 90022407 is about 448.1776622498.

The spelling of 90022407 in words is "ninety million, twenty-two thousand, four hundred seven".