2213142551 has 4 divisors (see below), whose sum is σ = 2221960104. Its totient is φ = 2204325000.

The previous prime is 2213142541. The next prime is 2213142557. The reversal of 2213142551 is 1552413122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2213142551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2213142551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213142557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4408400 + ... + 4408901.

It is an arithmetic number, because the mean of its divisors is an integer number (555490026).

Almost surely, 2^2213142551 is an apocalyptic number.

2213142551 is a deficient number, since it is larger than the sum of its proper divisors (8817553).

2213142551 is an equidigital number, since it uses as much as digits as its factorization.

2213142551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8817552.

The product of its digits is 2400, while the sum is 26.

The square root of 2213142551 is about 47044.0490498001. The cubic root of 2213142551 is about 1303.1761687518.

Adding to 2213142551 its reverse (1552413122), we get a palindrome (3765555673).

The spelling of 2213142551 in words is "two billion, two hundred thirteen million, one hundred forty-two thousand, five hundred fifty-one".