1222410919 has 2 divisors, whose sum is σ = 1222410920. Its totient is φ = 1222410918.

The previous prime is 1222410883. The next prime is 1222410947. The reversal of 1222410919 is 9190142221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222410919 - 2¹⁵ = 1222378151 is a prime.

It is a super-2 number, since 2×1222410919² = 2988576909780849122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222410419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611205459 + 611205460.

It is an arithmetic number, because the mean of its divisors is an integer number (611205460).

Almost surely, 2^1222410919 is an apocalyptic number.

1222410919 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222410919 is an equidigital number, since it uses as much as digits as its factorization.

1222410919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1222410919 is about 34962.9935646249. The cubic root of 1222410919 is about 1069.2331300211.

The spelling of 1222410919 in words is "one billion, two hundred twenty-two million, four hundred ten thousand, nine hundred nineteen".