22404312221211 has 24 divisors (see below), whose sum is σ = 33842069797536. Its totient is φ = 14255816826240.

The previous prime is 22404312221197. The next prime is 22404312221251. The reversal of 22404312221211 is 11212221340422.

22404312221211 is a `hidden beast` number, since 2 + 2 + 4 + 0 + 431 + 2 + 2 + 212 + 11 = 666.

It is not a de Polignac number, because 22404312221211 - 2⁹ = 22404312220699 is a prime.

It is a super-2 number, since 2×22404312221211² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22404312221251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117294370 + ... + 117485223.

It is an arithmetic number, because the mean of its divisors is an integer number (1410086241564).

Almost surely, 2^{22404312221211} is an apocalyptic number.

22404312221211 is a deficient number, since it is larger than the sum of its proper divisors (11437757576325).

22404312221211 is a wasteful number, since it uses less digits than its factorization.

22404312221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234780083 (or 234780080 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 22404312221211 its reverse (11212221340422), we get a palindrome (33616533561633).

The spelling of 22404312221211 in words is "twenty-two trillion, four hundred four billion, three hundred twelve million, two hundred twenty-one thousand, two hundred eleven".