1532531222 has 16 divisors (see below), whose sum is σ = 2426193600. Its totient is φ = 724013640.

The previous prime is 1532531207. The next prime is 1532531261. The reversal of 1532531222 is 2221352351.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1532531191 and 1532531200.

It is a congruent number.

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, 38804 + ... + 67607.

It is an arithmetic number, because the mean of its divisors is an integer number (151637100).

Almost surely, 2^1532531222 is an apocalyptic number.

1532531222 is a deficient number, since it is larger than the sum of its proper divisors (893662378).

1532531222 is a wasteful number, since it uses less digits than its factorization.

1532531222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106811.

The product of its digits is 3600, while the sum is 26.

The square root of 1532531222 is about 39147.5570374449. The cubic root of 1532531222 is about 1152.9304523713.

Adding to 1532531222 its reverse (2221352351), we get a palindrome (3753883573).

The spelling of 1532531222 in words is "one billion, five hundred thirty-two million, five hundred thirty-one thousand, two hundred twenty-two".