1222124019 has 16 divisors (see below), whose sum is σ = 1655363712. Its totient is φ = 801839808.

The previous prime is 1222124011. The next prime is 1222124039. The reversal of 1222124019 is 9104212221.

It is not a de Polignac number, because 1222124019 - 2³ = 1222124011 is a prime.

It is a super-2 number, since 2×1222124019² = 2987174235633424722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1222124019.

It is not an unprimeable number, because it can be changed into a prime (1222124011) 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, 285912 + ... + 290154.

It is an arithmetic number, because the mean of its divisors is an integer number (103460232).

Almost surely, 2^1222124019 is an apocalyptic number.

1222124019 is a deficient number, since it is larger than the sum of its proper divisors (433239693).

1222124019 is a wasteful number, since it uses less digits than its factorization.

1222124019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5746.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1222124019 is about 34958.8904143138. The cubic root of 1222124019 is about 1069.1494737583.

The spelling of 1222124019 in words is "one billion, two hundred twenty-two million, one hundred twenty-four thousand, nineteen".