99478022 has 8 divisors (see below), whose sum is σ = 170533776. Its totient is φ = 42633432.

The previous prime is 99478021. The next prime is 99478037. The reversal of 99478022 is 22087499.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×99478022² = 19791753722064968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99478021) 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, 3552773 + ... + 3552800.

It is an arithmetic number, because the mean of its divisors is an integer number (21316722).

Almost surely, 2^99478022 is an apocalyptic number.

99478022 is a deficient number, since it is larger than the sum of its proper divisors (71055754).

99478022 is a wasteful number, since it uses less digits than its factorization.

99478022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7105582.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 99478022 is about 9973.8669531932. The cubic root of 99478022 is about 463.3498716845.

The spelling of 99478022 in words is "ninety-nine million, four hundred seventy-eight thousand, twenty-two".