72222753 has 8 divisors (see below), whose sum is σ = 97197408. Its totient is φ = 47698304.

The previous prime is 72222751. The next prime is 72222763. The reversal of 72222753 is 35722227.

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

It is a cyclic number.

It is not a de Polignac number, because 72222753 - 2¹ = 72222751 is a prime.

It is a super-2 number, since 2×72222753² = 10432252101798018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72222753.

It is not an unprimeable number, because it can be changed into a prime (72222751) 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, 112176 + ... + 112817.

It is an arithmetic number, because the mean of its divisors is an integer number (12149676).

Almost surely, 2^72222753 is an apocalyptic number.

It is an amenable number.

72222753 is a deficient number, since it is larger than the sum of its proper divisors (24974655).

72222753 is a wasteful number, since it uses less digits than its factorization.

72222753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225103.

The product of its digits is 11760, while the sum is 30.

The square root of 72222753 is about 8498.3970841565. The cubic root of 72222753 is about 416.4453459998.

The spelling of 72222753 in words is "seventy-two million, two hundred twenty-two thousand, seven hundred fifty-three".