1552224443 has 16 divisors (see below), whose sum is σ = 1964131584. Its totient is φ = 1191468960.

The previous prime is 1552224439. The next prime is 1552224461. The reversal of 1552224443 is 3444222551.

It is not a de Polignac number, because 1552224443 - 2² = 1552224439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1552224413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145280 + ... + 155597.

It is an arithmetic number, because the mean of its divisors is an integer number (122758224).

Almost surely, 2^1552224443 is an apocalyptic number.

1552224443 is a deficient number, since it is larger than the sum of its proper divisors (411907141).

1552224443 is a wasteful number, since it uses less digits than its factorization.

1552224443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300962.

The product of its digits is 38400, while the sum is 32.

The square root of 1552224443 is about 39398.2796959461. The cubic root of 1552224443 is about 1157.8478832186.

Adding to 1552224443 its reverse (3444222551), we get a palindrome (4996446994).

The spelling of 1552224443 in words is "one billion, five hundred fifty-two million, two hundred twenty-four thousand, four hundred forty-three".