13773222516 has 24 divisors (see below), whose sum is σ = 32142036640. Its totient is φ = 4590428832.

The previous prime is 13773222511. The next prime is 13773222539. The reversal of 13773222516 is 61522237731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13773222511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12570 + ... + 166446.

Almost surely, 2^13773222516 is an apocalyptic number.

It is an amenable number.

13773222516 is an abundant number, since it is smaller than the sum of its proper divisors (18368814124).

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

13773222516 is a wasteful number, since it uses less digits than its factorization.

13773222516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161343 (or 161341 counting only the distinct ones).

The product of its digits is 105840, while the sum is 39.

The spelling of 13773222516 in words is "thirteen billion, seven hundred seventy-three million, two hundred twenty-two thousand, five hundred sixteen".