900144822 has 16 divisors (see below), whose sum is σ = 1800944640. Its totient is φ = 299939112.

The previous prime is 900144821. The next prime is 900144827. The reversal of 900144822 is 228441009.

It is a self number, because there is not a number n which added to its sum of digits gives 900144822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900144821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8422 + ... + 43257.

It is an arithmetic number, because the mean of its divisors is an integer number (112559040).

Almost surely, 2^900144822 is an apocalyptic number.

900144822 is an abundant number, since it is smaller than the sum of its proper divisors (900799818).

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

900144822 is a wasteful number, since it uses less digits than its factorization.

900144822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54587.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 900144822 is about 30002.4136029087. The cubic root of 900144822 is about 965.5411685332.

The spelling of 900144822 in words is "nine hundred million, one hundred forty-four thousand, eight hundred twenty-two".