22738761 has 6 divisors (see below), whose sum is σ = 32844890. Its totient is φ = 15159168.

The previous prime is 22738759. The next prime is 22738783. The reversal of 22738761 is 16783722.

It can be written as a sum of positive squares in only one way, i.e., 18662400 + 4076361 = 4320^2 + 2019^2 .

It is not a de Polignac number, because 22738761 - 2¹ = 22738759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22738361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1263256 + ... + 1263273.

Almost surely, 2^22738761 is an apocalyptic number.

It is an amenable number.

22738761 is a deficient number, since it is larger than the sum of its proper divisors (10106129).

22738761 is a wasteful number, since it uses less digits than its factorization.

22738761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526535 (or 2526532 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 22738761 is about 4768.5176942106. The cubic root of 22738761 is about 283.3058869223.

The spelling of 22738761 in words is "twenty-two million, seven hundred thirty-eight thousand, seven hundred sixty-one".