90499222 has 8 divisors (see below), whose sum is σ = 148089672. Its totient is φ = 41136000.

The previous prime is 90499217. The next prime is 90499229. The reversal of 90499222 is 22299409.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90499229) by changing a digit.

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, 2056779 + ... + 2056822.

It is an arithmetic number, because the mean of its divisors is an integer number (18511209).

Almost surely, 2^90499222 is an apocalyptic number.

90499222 is a deficient number, since it is larger than the sum of its proper divisors (57590450).

90499222 is a wasteful number, since it uses less digits than its factorization.

90499222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4113614.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 90499222 is about 9513.1079043602. The cubic root of 90499222 is about 448.9675457649.

The spelling of 90499222 in words is "ninety million, four hundred ninety-nine thousand, two hundred twenty-two".