99622937 has 4 divisors (see below), whose sum is σ = 100257636. Its totient is φ = 98988240.

The previous prime is 99622927. The next prime is 99622961. The reversal of 99622937 is 73922699.

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

It can be written as a sum of positive squares in 2 ways, for example, as 45981961 + 53640976 = 6781^2 + 7324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99622937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99622891 and 99622900.

It is not an unprimeable number, because it can be changed into a prime (99622927) 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, 317114 + ... + 317427.

It is an arithmetic number, because the mean of its divisors is an integer number (25064409).

Almost surely, 2^99622937 is an apocalyptic number.

It is an amenable number.

99622937 is a deficient number, since it is larger than the sum of its proper divisors (634699).

99622937 is a wasteful number, since it uses less digits than its factorization.

99622937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634698.

The product of its digits is 367416, while the sum is 47.

The square root of 99622937 is about 9981.1290443516. The cubic root of 99622937 is about 463.5747581014.

The spelling of 99622937 in words is "ninety-nine million, six hundred twenty-two thousand, nine hundred thirty-seven".