1022222019 has 48 divisors (see below), whose sum is σ = 1786033152. Its totient is φ = 507446784.

The previous prime is 1022222017. The next prime is 1022222041. The reversal of 1022222019 is 9102222201.

It is a happy number.

1022222019 is nontrivially palindromic in base 16.

It is not a de Polignac number, because 1022222019 - 2¹ = 1022222017 is a prime.

It is a super-2 number, since 2×1022222019² = 2089875712256872722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1022221986 and 1022222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022222017) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51862 + ... + 68804.

It is an arithmetic number, because the mean of its divisors is an integer number (37209024).

Almost surely, 2^1022222019 is an apocalyptic number.

1022222019 is a deficient number, since it is larger than the sum of its proper divisors (763811133).

1022222019 is a wasteful number, since it uses less digits than its factorization.

1022222019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16996 (or 16983 counting only the distinct ones).

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

The square root of 1022222019 is about 31972.2069773108. The cubic root of 1022222019 is about 1007.3531384962.

The spelling of 1022222019 in words is "one billion, twenty-two million, two hundred twenty-two thousand, nineteen".