22403767745 has 16 divisors (see below), whose sum is σ = 26981509968. Its totient is φ = 17858457600.

The previous prime is 22403767739. The next prime is 22403767777. The reversal of 22403767745 is 54776730422.

It can be written as a sum of positive squares in 8 ways, for example, as 3923268496 + 18480499249 = 62636^2 + 135943^2 .

It is not a de Polignac number, because 22403767745 - 2⁶ = 22403767681 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22403767745.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1953167 + ... + 1964603.

It is an arithmetic number, because the mean of its divisors is an integer number (1686344373).

Almost surely, 2^22403767745 is an apocalyptic number.

It is an amenable number.

22403767745 is a deficient number, since it is larger than the sum of its proper divisors (4577742223).

22403767745 is a wasteful number, since it uses less digits than its factorization.

22403767745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12820.

The product of its (nonzero) digits is 1975680, while the sum is 47.

The spelling of 22403767745 in words is "twenty-two billion, four hundred three million, seven hundred sixty-seven thousand, seven hundred forty-five".