21167114 has 8 divisors (see below), whose sum is σ = 31809348. Its totient is φ = 10564000.

The previous prime is 21167101. The next prime is 21167117. The reversal of 21167114 is 41176112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17430625 + 3736489 = 4175^2 + 1933^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 21167114.

It is not an unprimeable number, because it can be changed into a prime (21167117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8387 + ... + 10614.

Almost surely, 2^21167114 is an apocalyptic number.

21167114 is a deficient number, since it is larger than the sum of its proper divisors (10642234).

21167114 is a wasteful number, since it uses less digits than its factorization.

21167114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19560.

The product of its digits is 336, while the sum is 23.

The square root of 21167114 is about 4600.7731958878. The cubic root of 21167114 is about 276.6223180152.

The spelling of 21167114 in words is "twenty-one million, one hundred sixty-seven thousand, one hundred fourteen".