1220023319 has 2 divisors, whose sum is σ = 1220023320. Its totient is φ = 1220023318.

The previous prime is 1220023291. The next prime is 1220023331. The reversal of 1220023319 is 9133200221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220023319 is a prime.

It is a super-2 number, since 2×1220023319² = 2976913797807551522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220023294 and 1220023303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220023369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610011659 + 610011660.

It is an arithmetic number, because the mean of its divisors is an integer number (610011660).

Almost surely, 2^1220023319 is an apocalyptic number.

1220023319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220023319 is an equidigital number, since it uses as much as digits as its factorization.

1220023319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1220023319 is about 34928.8322020648. The cubic root of 1220023319 is about 1068.5365380412.

The spelling of 1220023319 in words is "one billion, two hundred twenty million, twenty-three thousand, three hundred nineteen".