72022219 has 2 divisors, whose sum is σ = 72022220. Its totient is φ = 72022218.

The previous prime is 72022213. The next prime is 72022229. The reversal of 72022219 is 91222027.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72022219 - 2³ = 72022211 is a prime.

It is a super-2 number, since 2×72022219² = 10374400059367922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72022193 and 72022202.

It is not a weakly prime, because it can be changed into another prime (72022211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36011109 + 36011110.

It is an arithmetic number, because the mean of its divisors is an integer number (36011110).

Almost surely, 2^72022219 is an apocalyptic number.

72022219 is a deficient number, since it is larger than the sum of its proper divisors (1).

72022219 is an equidigital number, since it uses as much as digits as its factorization.

72022219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 72022219 is about 8486.5905403760. The cubic root of 72022219 is about 416.0595540818.

The spelling of 72022219 in words is "seventy-two million, twenty-two thousand, two hundred nineteen".