2562223664 has 80 divisors (see below), whose sum is σ = 6665406720. Its totient is φ = 921473280.

The previous prime is 2562223661. The next prime is 2562223681. The reversal of 2562223664 is 4663222652.

It is not an unprimeable number, because it can be changed into a prime (2562223661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63974 + ... + 96005.

It is an arithmetic number, because the mean of its divisors is an integer number (83317584).

Almost surely, 2^2562223664 is an apocalyptic number.

It is an amenable number.

2562223664 is an abundant number, since it is smaller than the sum of its proper divisors (4103183056).

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

2562223664 is a wasteful number, since it uses less digits than its factorization.

2562223664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160018 (or 160012 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

The square root of 2562223664 is about 50618.4123022443. The cubic root of 2562223664 is about 1368.3767272930.

The spelling of 2562223664 in words is "two billion, five hundred sixty-two million, two hundred twenty-three thousand, six hundred sixty-four".