1226667542 has 8 divisors (see below), whose sum is σ = 1840992456. Its totient is φ = 613003392.

The previous prime is 1226667539. The next prime is 1226667553. The reversal of 1226667542 is 2457666221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1226667542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160523 + ... + 167990.

It is an arithmetic number, because the mean of its divisors is an integer number (230124057).

Almost surely, 2^1226667542 is an apocalyptic number.

1226667542 is a deficient number, since it is larger than the sum of its proper divisors (614324914).

1226667542 is a wasteful number, since it uses less digits than its factorization.

1226667542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330382.

The product of its digits is 241920, while the sum is 41.

The square root of 1226667542 is about 35023.8139270982. The cubic root of 1226667542 is about 1070.4727703792.

The spelling of 1226667542 in words is "one billion, two hundred twenty-six million, six hundred sixty-seven thousand, five hundred forty-two".