1220222000019 has 64 divisors (see below), whose sum is σ = 1923091379712. Its totient is φ = 685635793920.

The previous prime is 1220222000017. The next prime is 1220222000099. The reversal of 1220222000019 is 9100002220221.

It is a happy number.

It is not a de Polignac number, because 1220222000019 - 2¹ = 1220222000017 is a prime.

It is a super-2 number, since 2×1220222000019² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220221999959 and 1220222000004.

It is not an unprimeable number, because it can be changed into a prime (1220222000017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4413879 + ... + 4682175.

It is an arithmetic number, because the mean of its divisors is an integer number (30048302808).

Almost surely, 2^{1220222000019} is an apocalyptic number.

1220222000019 is a deficient number, since it is larger than the sum of its proper divisors (702869379693).

1220222000019 is a wasteful number, since it uses less digits than its factorization.

1220222000019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268417 (or 268395 counting only the distinct ones).

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

The spelling of 1220222000019 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, nineteen", and thus it is an aban number.