90903146922 has 48 divisors (see below), whose sum is σ = 225310475520. Its totient is φ = 25947292896.

The previous prime is 90903146833. The next prime is 90903146977. The reversal of 90903146922 is 22964130909.

It is a happy number.

It is a super-4 number, since 4×90903146922⁴ (a number of 45 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216273 + ... + 478100.

It is an arithmetic number, because the mean of its divisors is an integer number (4693968240).

Almost surely, 2^90903146922 is an apocalyptic number.

90903146922 is an abundant number, since it is smaller than the sum of its proper divisors (134407328598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90903146922 is a wasteful number, since it uses less digits than its factorization.

90903146922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695427 (or 695424 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 90903146922 in words is "ninety billion, nine hundred three million, one hundred forty-six thousand, nine hundred twenty-two".