22401003212331 has 16 divisors (see below), whose sum is σ = 29920530207744. Its totient is φ = 14907759001184.

The previous prime is 22401003212327. The next prime is 22401003212333. The reversal of 22401003212331 is 13321230010422.

It is a cyclic number.

It is not a de Polignac number, because 22401003212331 - 2² = 22401003212327 is a prime.

It is a super-2 number, since 2×22401003212331² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22401003212333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2046445 + ... + 6999281.

It is an arithmetic number, because the mean of its divisors is an integer number (1870033137984).

Almost surely, 2^{22401003212331} is an apocalyptic number.

22401003212331 is a deficient number, since it is larger than the sum of its proper divisors (7519526995413).

22401003212331 is a wasteful number, since it uses less digits than its factorization.

22401003212331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4955490.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 22401003212331 its reverse (13321230010422), we get a palindrome (35722233222753).

The spelling of 22401003212331 in words is "twenty-two trillion, four hundred one billion, three million, two hundred twelve thousand, three hundred thirty-one".