22206754933421 has 4 divisors (see below), whose sum is σ = 22220522297052. Its totient is φ = 22192987569792.

The previous prime is 22206754933411. The next prime is 22206754933481. The reversal of 22206754933421 is 12433945760222.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5425237857796 + 16781517075625 = 2329214^2 + 4096525^2 .

It is a cyclic number.

It is not a de Polignac number, because 22206754933421 - 2²⁶ = 22206687824557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22206754933421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22206754933411) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6883679396 + ... + 6883682621.

It is an arithmetic number, because the mean of its divisors is an integer number (5555130574263).

Almost surely, 2^{22206754933421} is an apocalyptic number.

It is an amenable number.

22206754933421 is a deficient number, since it is larger than the sum of its proper divisors (13767363631).

22206754933421 is a wasteful number, since it uses less digits than its factorization.

22206754933421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13767363630.

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 22206754933421 in words is "twenty-two trillion, two hundred six billion, seven hundred fifty-four million, nine hundred thirty-three thousand, four hundred twenty-one".