1222424767 has 4 divisors (see below), whose sum is σ = 1261857856. Its totient is φ = 1182991680.

The previous prime is 1222424761. The next prime is 1222424773. The reversal of 1222424767 is 7674242221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7674242221 = 17 ⋅451426013.

It is an interprime number because it is at equal distance from previous prime (1222424761) and next prime (1222424773).

It is a cyclic number.

It is not a de Polignac number, because 1222424767 - 2¹⁹ = 1221900479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222424761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19716498 + ... + 19716559.

It is an arithmetic number, because the mean of its divisors is an integer number (315464464).

Almost surely, 2^1222424767 is an apocalyptic number.

1222424767 is a deficient number, since it is larger than the sum of its proper divisors (39433089).

1222424767 is an equidigital number, since it uses as much as digits as its factorization.

1222424767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39433088.

The product of its digits is 75264, while the sum is 37.

The square root of 1222424767 is about 34963.1916020263. The cubic root of 1222424767 is about 1069.2371675844.

Adding to 1222424767 its reverse (7674242221), we get a palindrome (8896666988).

The spelling of 1222424767 in words is "one billion, two hundred twenty-two million, four hundred twenty-four thousand, seven hundred sixty-seven".