72222286515 has 16 divisors (see below), whose sum is σ = 122353050528. Its totient is φ = 36252755456.

The previous prime is 72222286511. The next prime is 72222286523. The reversal of 72222286515 is 51568222227.

It is a cyclic number.

It is not a de Polignac number, because 72222286515 - 2² = 72222286511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72222286511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141612072 + ... + 141612581.

It is an arithmetic number, because the mean of its divisors is an integer number (7647065658).

Almost surely, 2^72222286515 is an apocalyptic number.

72222286515 is a deficient number, since it is larger than the sum of its proper divisors (50130764013).

72222286515 is a wasteful number, since it uses less digits than its factorization.

72222286515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283224678.

The product of its digits is 268800, while the sum is 42.

The spelling of 72222286515 in words is "seventy-two billion, two hundred twenty-two million, two hundred eighty-six thousand, five hundred fifteen".