72222214293 has 48 divisors (see below), whose sum is σ = 106760384640. Its totient is φ = 47033753472.

The previous prime is 72222214277. The next prime is 72222214313. The reversal of 72222214293 is 39241222227.

72222214293 is a `hidden beast` number, since 7 + 2 + 2 + 2 + 221 + 429 + 3 = 666.

It is not a de Polignac number, because 72222214293 - 2⁴ = 72222214277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72222214223) 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, 84668055 + ... + 84668907.

It is an arithmetic number, because the mean of its divisors is an integer number (2224174680).

Almost surely, 2^72222214293 is an apocalyptic number.

It is an amenable number.

72222214293 is a deficient number, since it is larger than the sum of its proper divisors (34538170347).

72222214293 is a wasteful number, since it uses less digits than its factorization.

72222214293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738 (or 1735 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The spelling of 72222214293 in words is "seventy-two billion, two hundred twenty-two million, two hundred fourteen thousand, two hundred ninety-three".