1242422422 has 8 divisors (see below), whose sum is σ = 1863821376. Its totient is φ = 621148632.

The previous prime is 1242422387. The next prime is 1242422443. The reversal of 1242422422 is 2242242421.

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

It is a super-2 number, since 2×1242422422² = 3087226949376692168, which contains 22 as substring.

It is a congruent number.

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, 358 + ... + 49849.

It is an arithmetic number, because the mean of its divisors is an integer number (232977672).

Almost surely, 2^1242422422 is an apocalyptic number.

1242422422 is a deficient number, since it is larger than the sum of its proper divisors (621398954).

1242422422 is a wasteful number, since it uses less digits than its factorization.

1242422422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62582.

The product of its digits is 4096, while the sum is 25.

The square root of 1242422422 is about 35248.0130220130. The cubic root of 1242422422 is about 1075.0362120846.

Adding to 1242422422 its reverse (2242242421), we get a palindrome (3484664843).

The spelling of 1242422422 in words is "one billion, two hundred forty-two million, four hundred twenty-two thousand, four hundred twenty-two".