2243571722451 has 12 divisors (see below), whose sum is σ = 3431344987512. Its totient is φ = 1407731276736.

The previous prime is 2243571722387. The next prime is 2243571722453. The reversal of 2243571722451 is 1542271753422.

2243571722451 is a `hidden beast` number, since 2 + 2 + 4 + 3 + 571 + 7 + 2 + 24 + 51 = 666.

2243571722451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2243571722451 - 2⁶ = 2243571722387 is a prime.

It is a super-2 number, since 2×2243571722451² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2243571722397 and 2243571722406.

It is not an unprimeable number, because it can be changed into a prime (2243571722453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7331933581 + ... + 7331933886.

It is an arithmetic number, because the mean of its divisors is an integer number (285945415626).

Almost surely, 2^{2243571722451} is an apocalyptic number.

2243571722451 is a deficient number, since it is larger than the sum of its proper divisors (1187773265061).

2243571722451 is a wasteful number, since it uses less digits than its factorization.

2243571722451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14663867490 (or 14663867487 counting only the distinct ones).

The product of its digits is 940800, while the sum is 45.

The spelling of 2243571722451 in words is "two trillion, two hundred forty-three billion, five hundred seventy-one million, seven hundred twenty-two thousand, four hundred fifty-one".