1222802439 has 16 divisors (see below), whose sum is σ = 1649762400. Its totient is φ = 805562496.

The previous prime is 1222802423. The next prime is 1222802447. The reversal of 1222802439 is 9342082221.

It is not a de Polignac number, because 1222802439 - 2⁴ = 1222802423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222802459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122397 + ... + 132009.

It is an arithmetic number, because the mean of its divisors is an integer number (103110150).

Almost surely, 2^1222802439 is an apocalyptic number.

1222802439 is a deficient number, since it is larger than the sum of its proper divisors (426959961).

1222802439 is a wasteful number, since it uses less digits than its factorization.

1222802439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10114.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1222802439 is about 34968.5921792685. The cubic root of 1222802439 is about 1069.3472709817.

The spelling of 1222802439 in words is "one billion, two hundred twenty-two million, eight hundred two thousand, four hundred thirty-nine".