1242244226 has 4 divisors (see below), whose sum is σ = 1863366342. Its totient is φ = 621122112.

The previous prime is 1242244207. The next prime is 1242244249. The reversal of 1242244226 is 6224422421.

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., 933363601 + 308880625 = 30551^2 + 17575^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310561055 + ... + 310561058.

Almost surely, 2^1242244226 is an apocalyptic number.

1242244226 is a deficient number, since it is larger than the sum of its proper divisors (621122116).

1242244226 is an equidigital number, since it uses as much as digits as its factorization.

1242244226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621122115.

The product of its digits is 12288, while the sum is 29.

The square root of 1242244226 is about 35245.4851860490. The cubic root of 1242244226 is about 1074.9848134866.

Adding to 1242244226 its reverse (6224422421), we get a palindrome (7466666647).

The spelling of 1242244226 in words is "one billion, two hundred forty-two million, two hundred forty-four thousand, two hundred twenty-six".