1220222220019 has 32 divisors (see below), whose sum is σ = 1351703738880. Its totient is φ = 1092301056000.

The previous prime is 1220222219989. The next prime is 1220222220031. The reversal of 1220222220019 is 9100222220221.

It is not a de Polignac number, because 1220222220019 - 2¹⁷ = 1220222088947 is a prime.

It is a super-2 number, since 2×1220222220019² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220222219975 and 1220222220002.

It is not an unprimeable number, because it can be changed into a prime (1220222220059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192552019 + ... + 192558355.

It is an arithmetic number, because the mean of its divisors is an integer number (42240741840).

Almost surely, 2^{1220222220019} is an apocalyptic number.

1220222220019 is a deficient number, since it is larger than the sum of its proper divisors (131481518861).

1220222220019 is a wasteful number, since it uses less digits than its factorization.

1220222220019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7371.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 1220222220019 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, two hundred twenty thousand, nineteen".