90444202 has 8 divisors (see below), whose sum is σ = 137577312. Its totient is φ = 44585100.

The previous prime is 90444191. The next prime is 90444223. The reversal of 90444202 is 20244409.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318324 + ... + 318607.

It is an arithmetic number, because the mean of its divisors is an integer number (17197164).

Almost surely, 2^90444202 is an apocalyptic number.

90444202 is a deficient number, since it is larger than the sum of its proper divisors (47133110).

90444202 is a wasteful number, since it uses less digits than its factorization.

90444202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637004.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 90444202 is about 9510.2156652728. The cubic root of 90444202 is about 448.8765423968.

The spelling of 90444202 in words is "ninety million, four hundred forty-four thousand, two hundred two".