1244553226 has 16 divisors (see below), whose sum is σ = 2137231296. Its totient is φ = 532452096.

The previous prime is 1244553217. The next prime is 1244553227. The reversal of 1244553226 is 6223554421.

It is a junction number, because it is equal to n+sod(n) for n = 1244553191 and 1244553200.

It is not an unprimeable number, because it can be changed into a prime (1244553227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68956 + ... + 85111.

It is an arithmetic number, because the mean of its divisors is an integer number (133576956).

Almost surely, 2^1244553226 is an apocalyptic number.

1244553226 is a deficient number, since it is larger than the sum of its proper divisors (892678070).

1244553226 is a wasteful number, since it uses less digits than its factorization.

1244553226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154653.

The product of its digits is 57600, while the sum is 34.

The square root of 1244553226 is about 35278.2259474594. The cubic root of 1244553226 is about 1075.6504377361.

The spelling of 1244553226 in words is "one billion, two hundred forty-four million, five hundred fifty-three thousand, two hundred twenty-six".