1220440032310 has 8 divisors (see below), whose sum is σ = 2196792058176. Its totient is φ = 488176012920.

The previous prime is 1220440032307. The next prime is 1220440032373. The reversal of 1220440032310 is 132300440221.

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

It is a super-2 number, since 2×1220440032310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61022001606 + ... + 61022001625.

It is an arithmetic number, because the mean of its divisors is an integer number (274599007272).

Almost surely, 2^{1220440032310} is an apocalyptic number.

1220440032310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220440032310 is a deficient number, since it is larger than the sum of its proper divisors (976352025866).

1220440032310 is a wasteful number, since it uses less digits than its factorization.

1220440032310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122044003238.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1220440032310 its reverse (132300440221), we get a palindrome (1352740472531).

The spelling of 1220440032310 in words is "one trillion, two hundred twenty billion, four hundred forty million, thirty-two thousand, three hundred ten".