52222007 has 2 divisors, whose sum is σ = 52222008. Its totient is φ = 52222006.

The previous prime is 52222003. The next prime is 52222043. The reversal of 52222007 is 70022225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52222007 - 2² = 52222003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52222007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52222003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26111003 + 26111004.

It is an arithmetic number, because the mean of its divisors is an integer number (26111004).

Almost surely, 2^52222007 is an apocalyptic number.

52222007 is a deficient number, since it is larger than the sum of its proper divisors (1).

52222007 is an equidigital number, since it uses as much as digits as its factorization.

52222007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 52222007 is about 7226.4795716863. The cubic root of 52222007 is about 373.7815433309.

The spelling of 52222007 in words is "fifty-two million, two hundred twenty-two thousand, seven".