1222426604 has 48 divisors (see below), whose sum is σ = 2471481600. Its totient is φ = 518222016.

The previous prime is 1222426577. The next prime is 1222426613. The reversal of 1222426604 is 4066242221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1723802 + ... + 1724510.

It is an arithmetic number, because the mean of its divisors is an integer number (51489200).

Almost surely, 2^1222426604 is an apocalyptic number.

1222426604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1222426604 is an abundant number, since it is smaller than the sum of its proper divisors (1249054996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222426604 is a wasteful number, since it uses less digits than its factorization.

1222426604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302 (or 1300 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 1222426604 is about 34963.2178725014. The cubic root of 1222426604 is about 1069.2377031832.

Adding to 1222426604 its reverse (4066242221), we get a palindrome (5288668825).

The spelling of 1222426604 in words is "one billion, two hundred twenty-two million, four hundred twenty-six thousand, six hundred four".