22102321401 has 12 divisors (see below), whose sum is σ = 33803550612. Its totient is φ = 13868123136.

The previous prime is 22102321361. The next prime is 22102321411. The reversal of 22102321401 is 10412320122.

It is a happy number.

22102321401 is a `hidden beast` number, since 22 + 10 + 232 + 1 + 401 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7279502400 + 14822819001 = 85320^2 + 121749^2 .

It is not a de Polignac number, because 22102321401 - 2¹³ = 22102313209 is a prime.

It is a super-2 number, since 2×22102321401² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22102321411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72229656 + ... + 72229961.

It is an arithmetic number, because the mean of its divisors is an integer number (2816962551).

Almost surely, 2^22102321401 is an apocalyptic number.

It is an amenable number.

22102321401 is a deficient number, since it is larger than the sum of its proper divisors (11701229211).

22102321401 is a wasteful number, since it uses less digits than its factorization.

22102321401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144459640 (or 144459637 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22102321401 its reverse (10412320122), we get a palindrome (32514641523).

The spelling of 22102321401 in words is "twenty-two billion, one hundred two million, three hundred twenty-one thousand, four hundred one".