1220432044 has 24 divisors (see below), whose sum is σ = 2300996880. Its totient is φ = 563043264.

The previous prime is 1220432041. The next prime is 1220432047. The reversal of 1220432044 is 4402340221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1220432041) and next prime (1220432047).

It is a super-3 number, since 3×1220432044³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1220432041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232602 + ... + 237790.

It is an arithmetic number, because the mean of its divisors is an integer number (95874870).

Almost surely, 2^1220432044 is an apocalyptic number.

It is an amenable number.

1220432044 is a deficient number, since it is larger than the sum of its proper divisors (1080564836).

1220432044 is a wasteful number, since it uses less digits than its factorization.

1220432044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9729 (or 9727 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1220432044 is about 34934.6825375586. The cubic root of 1220432044 is about 1068.6558496499.

Adding to 1220432044 its reverse (4402340221), we get a palindrome (5622772265).

The spelling of 1220432044 in words is "one billion, two hundred twenty million, four hundred thirty-two thousand, forty-four".