21167340022 has 16 divisors (see below), whose sum is σ = 32398263360. Its totient is φ = 10368513792.

The previous prime is 21167340001. The next prime is 21167340023. The reversal of 21167340022 is 22004376112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21167340023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77022 + ... + 219697.

It is an arithmetic number, because the mean of its divisors is an integer number (2024891460).

Almost surely, 2^21167340022 is an apocalyptic number.

21167340022 is a deficient number, since it is larger than the sum of its proper divisors (11230923338).

21167340022 is a wasteful number, since it uses less digits than its factorization.

21167340022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297447.

The product of its (nonzero) digits is 4032, while the sum is 28.

It can be divided in two parts, 211673 and 40022, that added together give a triangular number (251695 = T₇₀₉).

The spelling of 21167340022 in words is "twenty-one billion, one hundred sixty-seven million, three hundred forty thousand, twenty-two".