90265222 has 8 divisors (see below), whose sum is σ = 135898272. Its totient is φ = 44965800.

The previous prime is 90265171. The next prime is 90265229. The reversal of 90265222 is 22256209.

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 (90265229) 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, 82729 + ... + 83812.

It is an arithmetic number, because the mean of its divisors is an integer number (16987284).

Almost surely, 2^90265222 is an apocalyptic number.

90265222 is a deficient number, since it is larger than the sum of its proper divisors (45633050).

90265222 is a wasteful number, since it uses less digits than its factorization.

90265222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166814.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 90265222 is about 9500.8011241158. The cubic root of 90265222 is about 448.5802529903.

The spelling of 90265222 in words is "ninety million, two hundred sixty-five thousand, two hundred twenty-two".