21141322 has 16 divisors (see below), whose sum is σ = 32622912. Its totient is φ = 10269280.

The previous prime is 21141317. The next prime is 21141361. The reversal of 21141322 is 22314112.

It is a junction number, because it is equal to n+sod(n) for n = 21141296 and 21141305.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28083 + ... + 28825.

It is an arithmetic number, because the mean of its divisors is an integer number (2038932).

Almost surely, 2^21141322 is an apocalyptic number.

21141322 is a deficient number, since it is larger than the sum of its proper divisors (11481590).

21141322 is a wasteful number, since it uses less digits than its factorization.

21141322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133.

The product of its digits is 96, while the sum is 16.

The square root of 21141322 is about 4597.9693343910. The cubic root of 21141322 is about 276.5099181446.

Adding to 21141322 its reverse (22314112), we get a palindrome (43455434).

The spelling of 21141322 in words is "twenty-one million, one hundred forty-one thousand, three hundred twenty-two".