2102401222 has 4 divisors (see below), whose sum is σ = 3153601836. Its totient is φ = 1051200610.

The previous prime is 2102401211. The next prime is 2102401229. The reversal of 2102401222 is 2221042012.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2102401196 and 2102401205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102401229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525600304 + ... + 525600307.

It is an arithmetic number, because the mean of its divisors is an integer number (788400459).

Almost surely, 2^2102401222 is an apocalyptic number.

2102401222 is a deficient number, since it is larger than the sum of its proper divisors (1051200614).

2102401222 is a wasteful number, since it uses less digits than its factorization.

2102401222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051200613.

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

The square root of 2102401222 is about 45851.9489444015. The cubic root of 2102401222 is about 1281.0670671462.

Adding to 2102401222 its reverse (2221042012), we get a palindrome (4323443234).

The spelling of 2102401222 in words is "two billion, one hundred two million, four hundred one thousand, two hundred twenty-two".