1222346546 has 24 divisors (see below), whose sum is σ = 2029481244. Its totient is φ = 550204160.

The previous prime is 1222346537. The next prime is 1222346557. The reversal of 1222346546 is 6456432221.

It can be written as a sum of positive squares in 2 ways, for example, as 974126521 + 248220025 = 31211^2 + 15755^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15995 + ... + 51966.

Almost surely, 2^1222346546 is an apocalyptic number.

1222346546 is a deficient number, since it is larger than the sum of its proper divisors (807134698).

1222346546 is a wasteful number, since it uses less digits than its factorization.

1222346546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68026 (or 68003 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The square root of 1222346546 is about 34962.0729648572. The cubic root of 1222346546 is about 1069.2143608409.

Adding to 1222346546 its reverse (6456432221), we get a palindrome (7678778767).

The spelling of 1222346546 in words is "one billion, two hundred twenty-two million, three hundred forty-six thousand, five hundred forty-six".