90549622 has 8 divisors (see below), whose sum is σ = 135865872. Its totient is φ = 45261000.

The previous prime is 90549587. The next prime is 90549623. The reversal of 90549622 is 22694509.

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 (90549623) 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, 6472 + ... + 14932.

It is an arithmetic number, because the mean of its divisors is an integer number (16983234).

Almost surely, 2^90549622 is an apocalyptic number.

90549622 is a deficient number, since it is larger than the sum of its proper divisors (45316250).

90549622 is a wasteful number, since it uses less digits than its factorization.

90549622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13814.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 90549622 is about 9515.7565122275. The cubic root of 90549622 is about 449.0508752659.

The spelling of 90549622 in words is "ninety million, five hundred forty-nine thousand, six hundred twenty-two".