1242232226 has 8 divisors (see below), whose sum is σ = 1927601820. Its totient is φ = 599698288.

The previous prime is 1242232207. The next prime is 1242232237. The reversal of 1242232226 is 6222322421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1242210025 + 22201 = 35245^2 + 149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1242232195 and 1242232204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10708841 + ... + 10708956.

Almost surely, 2^1242232226 is an apocalyptic number.

1242232226 is a deficient number, since it is larger than the sum of its proper divisors (685369594).

1242232226 is a wasteful number, since it uses less digits than its factorization.

1242232226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21417828.

The product of its digits is 4608, while the sum is 26.

The square root of 1242232226 is about 35245.3149510683. The cubic root of 1242232226 is about 1074.9813520472.

Adding to 1242232226 its reverse (6222322421), we get a palindrome (7464554647).

The spelling of 1242232226 in words is "one billion, two hundred forty-two million, two hundred thirty-two thousand, two hundred twenty-six".