90858722 has 8 divisors (see below), whose sum is σ = 143461200. Its totient is φ = 43038324.

The previous prime is 90858701. The next prime is 90858739. The reversal of 90858722 is 22785809.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 90858722.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1195472 + ... + 1195547.

It is an arithmetic number, because the mean of its divisors is an integer number (17932650).

Almost surely, 2^90858722 is an apocalyptic number.

90858722 is a deficient number, since it is larger than the sum of its proper divisors (52602478).

90858722 is a wasteful number, since it uses less digits than its factorization.

90858722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391040.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 90858722 is about 9531.9841586104. The cubic root of 90858722 is about 449.5612546714.

The spelling of 90858722 in words is "ninety million, eight hundred fifty-eight thousand, seven hundred twenty-two".