22073421871806 has 16 divisors (see below), whose sum is σ = 44148898585344. Its totient is φ = 7357464816984.

The previous prime is 22073421871799. The next prime is 22073421871819. The reversal of 22073421871806 is 60817812437022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85478740 + ... + 85736583.

It is an arithmetic number, because the mean of its divisors is an integer number (2759306161584).

Almost surely, 2^{22073421871806} is an apocalyptic number.

22073421871806 is an abundant number, since it is smaller than the sum of its proper divisors (22075476713538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22073421871806 is a wasteful number, since it uses less digits than its factorization.

22073421871806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171236815.

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 22073421871806 in words is "twenty-two trillion, seventy-three billion, four hundred twenty-one million, eight hundred seventy-one thousand, eight hundred six".