1552231442 has 32 divisors (see below), whose sum is σ = 2442316800. Its totient is φ = 739031040.

The previous prime is 1552231441. The next prime is 1552231459. The reversal of 1552231442 is 2441322551.

It is not an unprimeable number, because it can be changed into a prime (1552231441) 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, 1196138 + ... + 1197434.

It is an arithmetic number, because the mean of its divisors is an integer number (76322400).

Almost surely, 2^1552231442 is an apocalyptic number.

1552231442 is a deficient number, since it is larger than the sum of its proper divisors (890085358).

1552231442 is a wasteful number, since it uses less digits than its factorization.

1552231442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626.

The product of its digits is 9600, while the sum is 29.

The square root of 1552231442 is about 39398.3685195212. The cubic root of 1552231442 is about 1157.8496234663.

Adding to 1552231442 its reverse (2441322551), we get a palindrome (3993553993).

It can be divided in two parts, 15522 and 31442, that added together give a palindrome (46964).

The spelling of 1552231442 in words is "one billion, five hundred fifty-two million, two hundred thirty-one thousand, four hundred forty-two".