22377121613 has 48 divisors (see below), whose sum is σ = 29273360256. Its totient is φ = 16616392320.

The previous prime is 22377121603. The next prime is 22377121619. The reversal of 22377121613 is 31612177322.

It is a happy number.

It is not a de Polignac number, because 22377121613 - 2¹² = 22377117517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22377121619) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12911495 + ... + 12913227.

It is an arithmetic number, because the mean of its divisors is an integer number (609861672).

Almost surely, 2^22377121613 is an apocalyptic number.

22377121613 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22377121613 is a deficient number, since it is larger than the sum of its proper divisors (6896238643).

22377121613 is a wasteful number, since it uses less digits than its factorization.

22377121613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114 (or 2091 counting only the distinct ones).

The product of its digits is 21168, while the sum is 35.

Adding to 22377121613 its reverse (31612177322), we get a palindrome (53989298935).

The spelling of 22377121613 in words is "twenty-two billion, three hundred seventy-seven million, one hundred twenty-one thousand, six hundred thirteen".