2214261564 has 24 divisors (see below), whose sum is σ = 5178391680. Its totient is φ = 736404144.

The previous prime is 2214261551. The next prime is 2214261571. The reversal of 2214261564 is 4651624122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204894 + ... + 215429.

It is an arithmetic number, because the mean of its divisors is an integer number (215766320).

Almost surely, 2^2214261564 is an apocalyptic number.

It is an amenable number.

2214261564 is an abundant number, since it is smaller than the sum of its proper divisors (2964130116).

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

2214261564 is a wasteful number, since it uses less digits than its factorization.

2214261564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420769 (or 420767 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 2214261564 is about 47055.9407939104. The cubic root of 2214261564 is about 1303.3957698141.

Adding to 2214261564 its reverse (4651624122), we get a palindrome (6865885686).

The spelling of 2214261564 in words is "two billion, two hundred fourteen million, two hundred sixty-one thousand, five hundred sixty-four".