1222360544 has 12 divisors (see below), whose sum is σ = 2406522384. Its totient is φ = 611180256.

The previous prime is 1222360543. The next prime is 1222360589. The reversal of 1222360544 is 4450632221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222360543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19099352 + ... + 19099415.

It is an arithmetic number, because the mean of its divisors is an integer number (200543532).

Almost surely, 2^1222360544 is an apocalyptic number.

It is an amenable number.

1222360544 is a deficient number, since it is larger than the sum of its proper divisors (1184161840).

1222360544 is an equidigital number, since it uses as much as digits as its factorization.

1222360544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38198777 (or 38198769 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1222360544 is about 34962.2731526427. The cubic root of 1222360544 is about 1069.2184422818.

Adding to 1222360544 its reverse (4450632221), we get a palindrome (5672992765).

The spelling of 1222360544 in words is "one billion, two hundred twenty-two million, three hundred sixty thousand, five hundred forty-four".