22620254746 has 4 divisors (see below), whose sum is σ = 33930382122. Its totient is φ = 11310127372.

The previous prime is 22620254729. The next prime is 22620254749. The reversal of 22620254746 is 64745202622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64745202622 = 2 ⋅32372601311.

It can be written as a sum of positive squares in only one way, i.e., 13678472025 + 8941782721 = 116955^2 + 94561^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22620254699 and 22620254708.

It is not an unprimeable number, because it can be changed into a prime (22620254749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655063685 + ... + 5655063688.

Almost surely, 2^22620254746 is an apocalyptic number.

22620254746 is a deficient number, since it is larger than the sum of its proper divisors (11310127376).

22620254746 is a wasteful number, since it uses less digits than its factorization.

22620254746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11310127375.

The product of its (nonzero) digits is 322560, while the sum is 40.

The spelling of 22620254746 in words is "twenty-two billion, six hundred twenty million, two hundred fifty-four thousand, seven hundred forty-six".