840092022 has 96 divisors (see below), whose sum is σ = 2301571584. Its totient is φ = 215107200.

The previous prime is 840091963. The next prime is 840092023. The reversal of 840092022 is 220290048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840092023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94138 + ... + 102674.

It is an arithmetic number, because the mean of its divisors is an integer number (23974704).

Almost surely, 2^840092022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 840092022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1150785792).

840092022 is an abundant number, since it is smaller than the sum of its proper divisors (1461479562).

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

840092022 is a wasteful number, since it uses less digits than its factorization.

840092022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8634 (or 8631 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 840092022 is about 28984.3409792253. The cubic root of 840092022 is about 943.5732496969.

The spelling of 840092022 in words is "eight hundred forty million, ninety-two thousand, twenty-two".