22774901887 has 8 divisors (see below), whose sum is σ = 24116227200. Its totient is φ = 21433757184.

The previous prime is 22774901879. The next prime is 22774901923. The reversal of 22774901887 is 78810947722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22774901887 - 2³ = 22774901879 is a prime.

It is a super-3 number, since 3×22774901887³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22774901827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282439 + ... + 354007.

It is an arithmetic number, because the mean of its divisors is an integer number (3014528400).

Almost surely, 2^22774901887 is an apocalyptic number.

22774901887 is a deficient number, since it is larger than the sum of its proper divisors (1341325313).

22774901887 is a wasteful number, since it uses less digits than its factorization.

22774901887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90305.

The product of its (nonzero) digits is 3161088, while the sum is 55.

The spelling of 22774901887 in words is "twenty-two billion, seven hundred seventy-four million, nine hundred one thousand, eight hundred eighty-seven".