22774542336 has 832 divisors, whose sum is σ = 86895370240. Its totient is φ = 5733089280.

The previous prime is 22774542319. The next prime is 22774542347. The reversal of 22774542336 is 63324547722.

22774542336 is a `hidden beast` number, since 2 + 2 + 7 + 74 + 542 + 3 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (832).

It is a super-2 number, since 2×22774542336² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22774542291 and 22774542300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 311979996 + ... + 311980068.

Almost surely, 2^22774542336 is an apocalyptic number.

22774542336 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22774542336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43447685120).

22774542336 is an abundant number, since it is smaller than the sum of its proper divisors (64120827904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22774542336 is a wasteful number, since it uses less digits than its factorization.

22774542336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 129 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 45.

The spelling of 22774542336 in words is "twenty-two billion, seven hundred seventy-four million, five hundred forty-two thousand, three hundred thirty-six".