1356444224 has 14 divisors (see below), whose sum is σ = 2691694134. Its totient is φ = 678222080.

The previous prime is 1356444223. The next prime is 1356444233. The reversal of 1356444224 is 4224446531.

It can be written as a sum of positive squares in only one way, i.e., 1333710400 + 22733824 = 36520^2 + 4768^2 .

It is not an unprimeable number, because it can be changed into a prime (1356444223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10597157 + ... + 10597284.

Almost surely, 2^1356444224 is an apocalyptic number.

It is an amenable number.

1356444224 is a deficient number, since it is larger than the sum of its proper divisors (1335249910).

1356444224 is an equidigital number, since it uses as much as digits as its factorization.

1356444224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21194453 (or 21194443 counting only the distinct ones).

The product of its digits is 92160, while the sum is 35.

The square root of 1356444224 is about 36829.9365190873. The cubic root of 1356444224 is about 1106.9652309712.

The spelling of 1356444224 in words is "one billion, three hundred fifty-six million, four hundred forty-four thousand, two hundred twenty-four".