122222019 has 16 divisors (see below), whose sum is σ = 165484800. Its totient is φ = 80229600.

The previous prime is 122222017. The next prime is 122222053. The reversal of 122222019 is 910222221.

It is a happy number.

It is not a de Polignac number, because 122222019 - 2¹ = 122222017 is a prime.

It is a super-2 number, since 2×122222019² = 29876443856872722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122221986 and 122222004.

It is not an unprimeable number, because it can be changed into a prime (122222017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59284 + ... + 61310.

It is an arithmetic number, because the mean of its divisors is an integer number (10342800).

Almost surely, 2^122222019 is an apocalyptic number.

122222019 is a deficient number, since it is larger than the sum of its proper divisors (43262781).

122222019 is a wasteful number, since it uses less digits than its factorization.

122222019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 122222019 is about 11055.4067767767. The cubic root of 122222019 is about 496.2682425981.

It can be divided in two parts, 12222 and 2019, that added together give a palindrome (14241).

The spelling of 122222019 in words is "one hundred twenty-two million, two hundred twenty-two thousand, nineteen".