1122220801 has 32 divisors (see below), whose sum is σ = 1302174720. Its totient is φ = 959212800.

The previous prime is 1122220753. The next prime is 1122220811. The reversal of 1122220801 is 1080222211.

It is not a de Polignac number, because 1122220801 - 2¹¹ = 1122218753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122220811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1530631 + ... + 1531363.

It is an arithmetic number, because the mean of its divisors is an integer number (40692960).

Almost surely, 2^1122220801 is an apocalyptic number.

It is an amenable number.

1122220801 is a deficient number, since it is larger than the sum of its proper divisors (179953919).

1122220801 is a wasteful number, since it uses less digits than its factorization.

1122220801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1122220801 is about 33499.5641911951. The cubic root of 1122220801 is about 1039.1847657694.

It can be divided in two parts, 11222 and 20801, that added together give a palindrome (32023).

The spelling of 1122220801 in words is "one billion, one hundred twenty-two million, two hundred twenty thousand, eight hundred one".