1220134344 has 64 divisors (see below), whose sum is σ = 3583621440. Its totient is φ = 341295360.

The previous prime is 1220134273. The next prime is 1220134373. The reversal of 1220134344 is 4434310221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174327 + ... + 181190.

It is an arithmetic number, because the mean of its divisors is an integer number (55994085).

Almost surely, 2^1220134344 is an apocalyptic number.

It is an amenable number.

1220134344 is an abundant number, since it is smaller than the sum of its proper divisors (2363487096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220134344 is a wasteful number, since it uses less digits than its factorization.

1220134344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355550 (or 355546 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1220134344 is about 34930.4214689717. The cubic root of 1220134344 is about 1068.5689501733.

Adding to 1220134344 its reverse (4434310221), we get a palindrome (5654444565).

The spelling of 1220134344 in words is "one billion, two hundred twenty million, one hundred thirty-four thousand, three hundred forty-four".