2564631322 has 16 divisors (see below), whose sum is σ = 4443532992. Its totient is φ = 1097168320.

The previous prime is 2564631317. The next prime is 2564631341. The reversal of 2564631322 is 2231364652.

2564631322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3428278 + ... + 3429025.

It is an arithmetic number, because the mean of its divisors is an integer number (277720812).

Almost surely, 2^2564631322 is an apocalyptic number.

2564631322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2564631322 is a deficient number, since it is larger than the sum of its proper divisors (1878901670).

2564631322 is a wasteful number, since it uses less digits than its factorization.

2564631322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6857333.

The product of its digits is 51840, while the sum is 34.

The square root of 2564631322 is about 50642.1891509441. The cubic root of 2564631322 is about 1368.8052029973.

Adding to 2564631322 its reverse (2231364652), we get a palindrome (4795995974).

The spelling of 2564631322 in words is "two billion, five hundred sixty-four million, six hundred thirty-one thousand, three hundred twenty-two".