2022731645 has 8 divisors (see below), whose sum is σ = 2647939680. Its totient is φ = 1471077520.

The previous prime is 2022731603. The next prime is 2022731647. The reversal of 2022731645 is 5461372202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2022731645 - 2¹² = 2022727549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022731647) 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, 18388415 + ... + 18388524.

It is an arithmetic number, because the mean of its divisors is an integer number (330992460).

Almost surely, 2^2022731645 is an apocalyptic number.

It is an amenable number.

2022731645 is a deficient number, since it is larger than the sum of its proper divisors (625208035).

2022731645 is a wasteful number, since it uses less digits than its factorization.

2022731645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36776955.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 2022731645 is about 44974.7889933905. The cubic root of 2022731645 is about 1264.6764252308.

The spelling of 2022731645 in words is "two billion, twenty-two million, seven hundred thirty-one thousand, six hundred forty-five".