90422308236 has 72 divisors (see below), whose sum is σ = 241902584784. Its totient is φ = 26185635840.

The previous prime is 90422308213. The next prime is 90422308237. The reversal of 90422308236 is 63280322409.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 90422308194 and 90422308203.

It is not an unprimeable number, because it can be changed into a prime (90422308237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1276905 + ... + 1345856.

It is an arithmetic number, because the mean of its divisors is an integer number (3359758122).

Almost surely, 2^90422308236 is an apocalyptic number.

It is an amenable number.

90422308236 is an abundant number, since it is smaller than the sum of its proper divisors (151480276548).

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

90422308236 is a wasteful number, since it uses less digits than its factorization.

90422308236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622811 (or 2622796 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 90422308236 in words is "ninety billion, four hundred twenty-two million, three hundred eight thousand, two hundred thirty-six".