2022642240 has 56 divisors (see below), whose sum is σ = 6421892160. Its totient is φ = 539371008.

The previous prime is 2022642221. The next prime is 2022642247. The reversal of 2022642240 is 422462202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2022642240.

It is not an unprimeable number, because it can be changed into a prime (2022642247) 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, 1052500 + ... + 1054419.

Almost surely, 2^2022642240 is an apocalyptic number.

2022642240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2022642240 is an abundant number, since it is smaller than the sum of its proper divisors (4399249920).

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

2022642240 is a wasteful number, since it uses less digits than its factorization.

2022642240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106939 (or 2106929 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2022642240 is about 44973.7950366655. The cubic root of 2022642240 is about 1264.6577920025.

The spelling of 2022642240 in words is "two billion, twenty-two million, six hundred forty-two thousand, two hundred forty".