22236748377 has 8 divisors (see below), whose sum is σ = 29650090464. Its totient is φ = 14823952608.

The previous prime is 22236748351. The next prime is 22236748421. The reversal of 22236748377 is 77384763222.

It is a happy number.

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

It is not a de Polignac number, because 22236748377 - 2¹² = 22236744281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22236748337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29643 + ... + 212960.

It is an arithmetic number, because the mean of its divisors is an integer number (3706261308).

Almost surely, 2^22236748377 is an apocalyptic number.

It is an amenable number.

22236748377 is a deficient number, since it is larger than the sum of its proper divisors (7413342087).

22236748377 is a wasteful number, since it uses less digits than its factorization.

22236748377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273159.

The product of its digits is 4741632, while the sum is 51.

The spelling of 22236748377 in words is "twenty-two billion, two hundred thirty-six million, seven hundred forty-eight thousand, three hundred seventy-seven".