981231200222 has 128 divisors (see below), whose sum is σ = 1981252804608. Its totient is φ = 353324851200.

The previous prime is 981231200207. The next prime is 981231200263. The reversal of 981231200222 is 222002132189.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 215132822 + ... + 215137382.

It is an arithmetic number, because the mean of its divisors is an integer number (15478537536).

Almost surely, 2^981231200222 is an apocalyptic number.

981231200222 is an abundant number, since it is smaller than the sum of its proper divisors (1000021604386).

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

981231200222 is a wasteful number, since it uses less digits than its factorization.

981231200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6874.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 981231200222 in words is "nine hundred eighty-one billion, two hundred thirty-one million, two hundred thousand, two hundred twenty-two".