1222300144 has 20 divisors (see below), whose sum is σ = 2550376696. Its totient is φ = 564138432.

The previous prime is 1222300141. The next prime is 1222300171. The reversal of 1222300144 is 4410032221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222300141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2938014 + ... + 2938429.

Almost surely, 2^1222300144 is an apocalyptic number.

It is an amenable number.

1222300144 is an abundant number, since it is smaller than the sum of its proper divisors (1328076552).

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

1222300144 is a wasteful number, since it uses less digits than its factorization.

1222300144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5876464 (or 5876458 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1222300144 is about 34961.4093537432. The cubic root of 1222300144 is about 1069.2008310410.

Adding to 1222300144 its reverse (4410032221), we get a palindrome (5632332365).

The spelling of 1222300144 in words is "one billion, two hundred twenty-two million, three hundred thousand, one hundred forty-four".