99422620 has 24 divisors (see below), whose sum is σ = 227768688. Its totient is φ = 36153600.

The previous prime is 99422597. The next prime is 99422623. The reversal of 99422620 is 2622499.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99422623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225741 + ... + 226180.

It is an arithmetic number, because the mean of its divisors is an integer number (9490362).

Almost surely, 2^99422620 is an apocalyptic number.

It is an amenable number.

99422620 is an abundant number, since it is smaller than the sum of its proper divisors (128346068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99422620 is a wasteful number, since it uses less digits than its factorization.

99422620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451941 (or 451939 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 99422620 is about 9971.0892083062. The cubic root of 99422620 is about 463.2638383541.

The spelling of 99422620 in words is "ninety-nine million, four hundred twenty-two thousand, six hundred twenty".