1223223122219 has 32 divisors (see below), whose sum is σ = 1511917332480. Its totient is φ = 965664949248.

The previous prime is 1223223122197. The next prime is 1223223122267. The reversal of 1223223122219 is 9122213223221.

It is a happy number.

It is not a de Polignac number, because 1223223122219 - 2²⁸ = 1222954686763 is a prime.

It is a super-2 number, since 2×1223223122219² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223223127219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55521884 + ... + 55543910.

It is an arithmetic number, because the mean of its divisors is an integer number (47247416640).

Almost surely, 2^{1223223122219} is an apocalyptic number.

1223223122219 is a deficient number, since it is larger than the sum of its proper divisors (288694210261).

1223223122219 is a wasteful number, since it uses less digits than its factorization.

1223223122219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32027.

The product of its digits is 10368, while the sum is 32.

The spelling of 1223223122219 in words is "one trillion, two hundred twenty-three billion, two hundred twenty-three million, one hundred twenty-two thousand, two hundred nineteen".