1220415441 has 8 divisors (see below), whose sum is σ = 1859680704. Its totient is φ = 697380240.

The previous prime is 1220415419. The next prime is 1220415451. The reversal of 1220415441 is 1445140221.

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

It is not a de Polignac number, because 1220415441 - 2²¹ = 1218318289 is a prime.

It is a super-3 number, since 3×1220415441³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1220415451) 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, 29057490 + ... + 29057531.

It is an arithmetic number, because the mean of its divisors is an integer number (232460088).

Almost surely, 2^1220415441 is an apocalyptic number.

It is an amenable number.

1220415441 is a deficient number, since it is larger than the sum of its proper divisors (639265263).

1220415441 is an equidigital number, since it uses as much as digits as its factorization.

1220415441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58115031.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1220415441 is about 34934.4449075694. Note that the first 3 decimals coincide. The cubic root of 1220415441 is about 1068.6510035591.

Adding to 1220415441 its reverse (1445140221), we get a palindrome (2665555662).

The spelling of 1220415441 in words is "one billion, two hundred twenty million, four hundred fifteen thousand, four hundred forty-one".