22392725749 has 2 divisors, whose sum is σ = 22392725750. Its totient is φ = 22392725748.

The previous prime is 22392725723. The next prime is 22392725767. The reversal of 22392725749 is 94752729322.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12189705649 + 10203020100 = 110407^2 + 101010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22392725749 is a prime.

It is a super-3 number, since 3×22392725749³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 22392725696 and 22392725705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22392725149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11196362874 + 11196362875.

It is an arithmetic number, because the mean of its divisors is an integer number (11196362875).

Almost surely, 2^22392725749 is an apocalyptic number.

It is an amenable number.

22392725749 is a deficient number, since it is larger than the sum of its proper divisors (1).

22392725749 is an equidigital number, since it uses as much as digits as its factorization.

22392725749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 52.

The spelling of 22392725749 in words is "twenty-two billion, three hundred ninety-two million, seven hundred twenty-five thousand, seven hundred forty-nine".