72223007 has 2 divisors, whose sum is σ = 72223008. Its totient is φ = 72223006.

The previous prime is 72222989. The next prime is 72223049. The reversal of 72223007 is 70032227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72223007 - 2⁸ = 72222751 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72223057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36111503 + 36111504.

It is an arithmetic number, because the mean of its divisors is an integer number (36111504).

Almost surely, 2^72223007 is an apocalyptic number.

72223007 is a deficient number, since it is larger than the sum of its proper divisors (1).

72223007 is an equidigital number, since it uses as much as digits as its factorization.

72223007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 72223007 is about 8498.4120281380. The cubic root of 72223007 is about 416.4458341977.

The spelling of 72223007 in words is "seventy-two million, two hundred twenty-three thousand, seven".