45002219 has 2 divisors, whose sum is σ = 45002220. Its totient is φ = 45002218.

The previous prime is 45002197. The next prime is 45002239. The reversal of 45002219 is 91220054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45002219 - 2⁸ = 45001963 is a prime.

It is a super-2 number, since 2×45002219² = 4050399429847922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45002194 and 45002203.

It is not a weakly prime, because it can be changed into another prime (45002239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22501109 + 22501110.

It is an arithmetic number, because the mean of its divisors is an integer number (22501110).

Almost surely, 2^45002219 is an apocalyptic number.

45002219 is a deficient number, since it is larger than the sum of its proper divisors (1).

45002219 is an equidigital number, since it uses as much as digits as its factorization.

45002219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 45002219 is about 6708.3693249552. The cubic root of 45002219 is about 355.6951768316.

The spelling of 45002219 in words is "forty-five million, two thousand, two hundred nineteen".