22749999999997 has 2 divisors, whose sum is σ = 22749999999998. Its totient is φ = 22749999999996.

The previous prime is 22749999999983. The next prime is 22750000000003. The reversal of 22749999999997 is 79999999994722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22633796735001 + 116203264996 = 4757499^2 + 340886^2 .

It is a cyclic number.

It is not a de Polignac number, because 22749999999997 - 2¹⁵ = 22749999967229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22749999999896 and 22749999999905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22749999999907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11374999999998 + 11374999999999.

It is an arithmetic number, because the mean of its divisors is an integer number (11374999999999).

Almost surely, 2^{22749999999997} is an apocalyptic number.

It is an amenable number.

22749999999997 is a deficient number, since it is larger than the sum of its proper divisors (1).

22749999999997 is an equidigital number, since it uses as much as digits as its factorization.

22749999999997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 303737663376, while the sum is 103.

The spelling of 22749999999997 in words is "twenty-two trillion, seven hundred forty-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-seven".