21614162 has 4 divisors (see below), whose sum is σ = 32421246. Its totient is φ = 10807080.

The previous prime is 21614149. The next prime is 21614183. The reversal of 21614162 is 26141612.

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

It can be written as a sum of positive squares in only one way, i.e., 21613201 + 961 = 4649^2 + 31^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5403539 + ... + 5403542.

Almost surely, 2^21614162 is an apocalyptic number.

21614162 is a deficient number, since it is larger than the sum of its proper divisors (10807084).

21614162 is a wasteful number, since it uses less digits than its factorization.

21614162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10807083.

The product of its digits is 576, while the sum is 23.

The square root of 21614162 is about 4649.1033544115. The cubic root of 21614162 is about 278.5561817021.

Adding to 21614162 its reverse (26141612), we get a palindrome (47755774).

The spelling of 21614162 in words is "twenty-one million, six hundred fourteen thousand, one hundred sixty-two".