99197722 has 16 divisors (see below), whose sum is σ = 160417152. Its totient is φ = 45733680.

The previous prime is 99197713. The next prime is 99197731. The reversal of 99197722 is 22779199.

It is an interprime number because it is at equal distance from previous prime (99197713) and next prime (99197731).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34147 + ... + 36937.

It is an arithmetic number, because the mean of its divisors is an integer number (10026072).

Almost surely, 2^99197722 is an apocalyptic number.

99197722 is a deficient number, since it is larger than the sum of its proper divisors (61219430).

99197722 is a wasteful number, since it uses less digits than its factorization.

99197722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4173.

The product of its digits is 142884, while the sum is 46.

The square root of 99197722 is about 9959.8053193825. The cubic root of 99197722 is about 462.9142674413.

The spelling of 99197722 in words is "ninety-nine million, one hundred ninety-seven thousand, seven hundred twenty-two".