1223530162 has 4 divisors (see below), whose sum is σ = 1835295246. Its totient is φ = 611765080.

The previous prime is 1223530153. The next prime is 1223530177. The reversal of 1223530162 is 2610353221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 941323761 + 282206401 = 30681^2 + 16799^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305882539 + ... + 305882542.

Almost surely, 2^1223530162 is an apocalyptic number.

1223530162 is a deficient number, since it is larger than the sum of its proper divisors (611765084).

1223530162 is an equidigital number, since it uses as much as digits as its factorization.

1223530162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611765083.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1223530162 is about 34978.9960118926. The cubic root of 1223530162 is about 1069.5593614652.

Adding to 1223530162 its reverse (2610353221), we get a palindrome (3833883383).

The spelling of 1223530162 in words is "one billion, two hundred twenty-three million, five hundred thirty thousand, one hundred sixty-two".