22020319 has 2 divisors, whose sum is σ = 22020320. Its totient is φ = 22020318.

The previous prime is 22020311. The next prime is 22020337. The reversal of 22020319 is 91302022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22020319 - 2³ = 22020311 is a prime.

It is a super-2 number, since 2×22020319² = 969788897723522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22020296 and 22020305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22020311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010159 + 11010160.

It is an arithmetic number, because the mean of its divisors is an integer number (11010160).

Almost surely, 2^22020319 is an apocalyptic number.

22020319 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020319 is an equidigital number, since it uses as much as digits as its factorization.

22020319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 22020319 is about 4692.5812726047. The cubic root of 22020319 is about 280.2901711232.

The spelling of 22020319 in words is "twenty-two million, twenty thousand, three hundred nineteen".