2226628371731 has 2 divisors, whose sum is σ = 2226628371732. Its totient is φ = 2226628371730.

The previous prime is 2226628371703. The next prime is 2226628371809. The reversal of 2226628371731 is 1371738266222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2226628371731 is a prime.

It is a super-2 number, since 2×2226628371731² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2226628371731.

It is not a weakly prime, because it can be changed into another prime (2226628371631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113314185865 + 1113314185866.

It is an arithmetic number, because the mean of its divisors is an integer number (1113314185866).

Almost surely, 2^{2226628371731} is an apocalyptic number.

2226628371731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2226628371731 is an equidigital number, since it uses as much as digits as its factorization.

2226628371731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 50.

The spelling of 2226628371731 in words is "two trillion, two hundred twenty-six billion, six hundred twenty-eight million, three hundred seventy-one thousand, seven hundred thirty-one".