921984022 has 4 divisors (see below), whose sum is σ = 1382976036. Its totient is φ = 460992010.

The previous prime is 921983983. The next prime is 921984023. The reversal of 921984022 is 220489129.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (921984023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230496004 + ... + 230496007.

It is an arithmetic number, because the mean of its divisors is an integer number (345744009).

Almost surely, 2^921984022 is an apocalyptic number.

921984022 is a deficient number, since it is larger than the sum of its proper divisors (460992014).

921984022 is a wasteful number, since it uses less digits than its factorization.

921984022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460992013.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 921984022 is about 30364.1897965350. The cubic root of 921984022 is about 973.2874683096.

It can be divided in two parts, 92198402 and 2, that added together give a square (92198404 = 9602²).

The spelling of 921984022 in words is "nine hundred twenty-one million, nine hundred eighty-four thousand, twenty-two".