1220212441 has 8 divisors (see below), whose sum is σ = 1395074240. Its totient is φ = 1045487088.

The previous prime is 1220212403. The next prime is 1220212457. The reversal of 1220212441 is 1442120221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220212441 - 2⁹ = 1220211929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220213441) 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, 14166 + ... + 51391.

It is an arithmetic number, because the mean of its divisors is an integer number (174384280).

Almost surely, 2^1220212441 is an apocalyptic number.

It is an amenable number.

1220212441 is a deficient number, since it is larger than the sum of its proper divisors (174861799).

1220212441 is an equidigital number, since it uses as much as digits as its factorization.

1220212441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68223.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1220212441 is about 34931.5393448385. The cubic root of 1220212441 is about 1068.5917482772.

Adding to 1220212441 its reverse (1442120221), we get a palindrome (2662332662).

The spelling of 1220212441 in words is "one billion, two hundred twenty million, two hundred twelve thousand, four hundred forty-one".