1222746454 has 32 divisors (see below), whose sum is σ = 2047389696. Its totient is φ = 544978560.

The previous prime is 1222746397. The next prime is 1222746457. The reversal of 1222746454 is 4546472221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222746457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37197 + ... + 61879.

It is an arithmetic number, because the mean of its divisors is an integer number (63980928).

Almost surely, 2^1222746454 is an apocalyptic number.

1222746454 is a deficient number, since it is larger than the sum of its proper divisors (824643242).

1222746454 is a wasteful number, since it uses less digits than its factorization.

1222746454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24780.

The product of its digits is 107520, while the sum is 37.

The square root of 1222746454 is about 34967.7916660461. The cubic root of 1222746454 is about 1069.3309510054.

The spelling of 1222746454 in words is "one billion, two hundred twenty-two million, seven hundred forty-six thousand, four hundred fifty-four".