1222899458 has 16 divisors (see below), whose sum is σ = 2003050080. Its totient is φ = 555324000.

The previous prime is 1222899389. The next prime is 1222899481. The reversal of 1222899458 is 8549982221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3323 + ... + 49566.

It is an arithmetic number, because the mean of its divisors is an integer number (125190630).

Almost surely, 2^1222899458 is an apocalyptic number.

1222899458 is a deficient number, since it is larger than the sum of its proper divisors (780150622).

1222899458 is a wasteful number, since it uses less digits than its factorization.

1222899458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53953.

The product of its digits is 829440, while the sum is 50.

The square root of 1222899458 is about 34969.9793823216. The cubic root of 1222899458 is about 1069.3755514452.

The spelling of 1222899458 in words is "one billion, two hundred twenty-two million, eight hundred ninety-nine thousand, four hundred fifty-eight".