2221401022 has 8 divisors (see below), whose sum is σ = 3356423856. Its totient is φ = 1102593072.

The previous prime is 2221401011. The next prime is 2221401029. The reversal of 2221401022 is 2201041222.

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

It is a junction number, because it is equal to n+sod(n) for n = 2221400987 and 2221401005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221401029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4053378 + ... + 4053925.

It is an arithmetic number, because the mean of its divisors is an integer number (419552982).

Almost surely, 2^2221401022 is an apocalyptic number.

2221401022 is a deficient number, since it is larger than the sum of its proper divisors (1135022834).

2221401022 is a wasteful number, since it uses less digits than its factorization.

2221401022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8107442.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2221401022 is about 47131.7411305799. The cubic root of 2221401022 is about 1304.7951160762.

Adding to 2221401022 its reverse (2201041222), we get a palindrome (4422442244).

The spelling of 2221401022 in words is "two billion, two hundred twenty-one million, four hundred one thousand, twenty-two".