1220434234 has 16 divisors (see below), whose sum is σ = 1942626240. Its totient is φ = 573791680.

The previous prime is 1220434219. The next prime is 1220434253. The reversal of 1220434234 is 4324340221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1220434199 and 1220434208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222127 + ... + 227554.

It is an arithmetic number, because the mean of its divisors is an integer number (121414140).

Almost surely, 2^1220434234 is an apocalyptic number.

1220434234 is a deficient number, since it is larger than the sum of its proper divisors (722192006).

1220434234 is a wasteful number, since it uses less digits than its factorization.

1220434234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449765.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1220434234 is about 34934.7138817538. The cubic root of 1220434234 is about 1068.6564888648.

Adding to 1220434234 its reverse (4324340221), we get a palindrome (5544774455).

The spelling of 1220434234 in words is "one billion, two hundred twenty million, four hundred thirty-four thousand, two hundred thirty-four".