90252622 has 8 divisors (see below), whose sum is σ = 142504200. Its totient is φ = 42751224.

The previous prime is 90252619. The next prime is 90252629. The reversal of 90252622 is 22625209.

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 (90252629) 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, 1187497 + ... + 1187572.

It is an arithmetic number, because the mean of its divisors is an integer number (17813025).

Almost surely, 2^90252622 is an apocalyptic number.

90252622 is a deficient number, since it is larger than the sum of its proper divisors (52251578).

90252622 is a wasteful number, since it uses less digits than its factorization.

90252622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375090.

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

The square root of 90252622 is about 9500.1379989977. The cubic root of 90252622 is about 448.5593797826.

The spelling of 90252622 in words is "ninety million, two hundred fifty-two thousand, six hundred twenty-two".