2644442022 has 32 divisors (see below), whose sum is σ = 5438757600. Its totient is φ = 856562688.

The previous prime is 2644441991. The next prime is 2644442041. The reversal of 2644442022 is 2202444462.

It is a super-3 number, since 3×2644442022³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176854 + ... + 191222.

It is an arithmetic number, because the mean of its divisors is an integer number (169961175).

Almost surely, 2^2644442022 is an apocalyptic number.

2644442022 is an abundant number, since it is smaller than the sum of its proper divisors (2794315578).

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

2644442022 is a wasteful number, since it uses less digits than its factorization.

2644442022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15240.

The product of its (nonzero) digits is 24576, while the sum is 30.

The square root of 2644442022 is about 51424.1385149037. The cubic root of 2644442022 is about 1382.8593695313.

Adding to 2644442022 its reverse (2202444462), we get a palindrome (4846886484).

The spelling of 2644442022 in words is "two billion, six hundred forty-four million, four hundred forty-two thousand, twenty-two".