1230220442 has 8 divisors (see below), whose sum is σ = 2013088032. Its totient is φ = 559191100.

The previous prime is 1230220429. The next prime is 1230220477. The reversal of 1230220442 is 2440220321.

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

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, 27959534 + ... + 27959577.

It is an arithmetic number, because the mean of its divisors is an integer number (251636004).

Almost surely, 2^1230220442 is an apocalyptic number.

1230220442 is a deficient number, since it is larger than the sum of its proper divisors (782867590).

1230220442 is a wasteful number, since it uses less digits than its factorization.

1230220442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55919124.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1230220442 is about 35074.4984568561. The cubic root of 1230220442 is about 1071.5052741752.

Adding to 1230220442 its reverse (2440220321), we get a palindrome (3670440763).

The spelling of 1230220442 in words is "one billion, two hundred thirty million, two hundred twenty thousand, four hundred forty-two".