90222458 has 8 divisors (see below), whose sum is σ = 135444960. Its totient is φ = 45074140.

The previous prime is 90222437. The next prime is 90222499. The reversal of 90222458 is 85422209.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15398 + ... + 20433.

It is an arithmetic number, because the mean of its divisors is an integer number (16930620).

Almost surely, 2^90222458 is an apocalyptic number.

90222458 is a deficient number, since it is larger than the sum of its proper divisors (45222502).

90222458 is a wasteful number, since it uses less digits than its factorization.

90222458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37092.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 90222458 is about 9498.5503104421. The cubic root of 90222458 is about 448.5094020923.

The spelling of 90222458 in words is "ninety million, two hundred twenty-two thousand, four hundred fifty-eight".