1531422234 has 16 divisors (see below), whose sum is σ = 3403160640. Its totient is φ = 510474060.

The previous prime is 1531422163. The next prime is 1531422247. The reversal of 1531422234 is 4322241351.

1531422234 is a `hidden beast` number, since 1 + 5 + 3 + 1 + 422 + 234 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1531422198 and 1531422207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14179782 + ... + 14179889.

It is an arithmetic number, because the mean of its divisors is an integer number (212697540).

Almost surely, 2^1531422234 is an apocalyptic number.

1531422234 is an abundant number, since it is smaller than the sum of its proper divisors (1871738406).

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

1531422234 is a wasteful number, since it uses less digits than its factorization.

1531422234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28359682 (or 28359676 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 1531422234 is about 39133.3902696917. The cubic root of 1531422234 is about 1152.6522862997.

Adding to 1531422234 its reverse (4322241351), we get a palindrome (5853663585).

The spelling of 1531422234 in words is "one billion, five hundred thirty-one million, four hundred twenty-two thousand, two hundred thirty-four".