99022402 has 4 divisors (see below), whose sum is σ = 148533606. Its totient is φ = 49511200.

The previous prime is 99022369. The next prime is 99022447. The reversal of 99022402 is 20422099.

It is a happy number.

It is a Cunningham number, because it is equal to 9951²+1.

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

It can be written as a sum of positive squares in only one way, i.e., 99022401 + 1 = 9951^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24755599 + ... + 24755602.

Almost surely, 2^99022402 is an apocalyptic number.

99022402 is a deficient number, since it is larger than the sum of its proper divisors (49511204).

99022402 is a wasteful number, since it uses less digits than its factorization.

99022402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49511203.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 99022402 is about 9951.0000502462. Note that the first 4 decimals coincide. The cubic root of 99022402 is about 462.6413915892.

The spelling of 99022402 in words is "ninety-nine million, twenty-two thousand, four hundred two".