22211642345405 has 8 divisors (see below), whose sum is σ = 27812839110912. Its totient is φ = 16996735012048.

The previous prime is 22211642345383. The next prime is 22211642345479. The reversal of 22211642345405 is 50454324611222.

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

It is a cyclic number.

It is not a de Polignac number, because 22211642345405 - 2¹² = 22211642341309 is a prime.

It is a super-2 number, since 2×22211642345405² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96572357909 + ... + 96572358138.

It is an arithmetic number, because the mean of its divisors is an integer number (3476604888864).

Almost surely, 2^{22211642345405} is an apocalyptic number.

It is an amenable number.

22211642345405 is a deficient number, since it is larger than the sum of its proper divisors (5601196765507).

22211642345405 is a wasteful number, since it uses less digits than its factorization.

22211642345405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193144716075.

The product of its (nonzero) digits is 460800, while the sum is 41.

Adding to 22211642345405 its reverse (50454324611222), we get a palindrome (72665966956627).

The spelling of 22211642345405 in words is "twenty-two trillion, two hundred eleven billion, six hundred forty-two million, three hundred forty-five thousand, four hundred five".