22715650749 has 16 divisors (see below), whose sum is σ = 33054960960. Its totient is φ = 13761221760.

The previous prime is 22715650739. The next prime is 22715650751. The reversal of 22715650749 is 94705651722.

It is not a de Polignac number, because 22715650749 - 2⁵ = 22715650717 is a prime.

It is a super-2 number, since 2×22715650749² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22715650698 and 22715650707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22715650739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66354 + ... + 223235.

It is an arithmetic number, because the mean of its divisors is an integer number (2065935060).

Almost surely, 2^22715650749 is an apocalyptic number.

It is an amenable number.

22715650749 is a deficient number, since it is larger than the sum of its proper divisors (10339310211).

22715650749 is a wasteful number, since it uses less digits than its factorization.

22715650749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291980.

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 22715650749 in words is "twenty-two billion, seven hundred fifteen million, six hundred fifty thousand, seven hundred forty-nine".