22141012 has 6 divisors (see below), whose sum is σ = 38746778. Its totient is φ = 11070504.

The previous prime is 22140977. The next prime is 22141013. The reversal of 22141012 is 21014122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20466576 + 1674436 = 4524^2 + 1294^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22140983 and 22141001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22141013) 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 as a sum of consecutive naturals, namely, 2767623 + ... + 2767630.

Almost surely, 2^22141012 is an apocalyptic number.

It is an amenable number.

22141012 is a deficient number, since it is larger than the sum of its proper divisors (16605766).

22141012 is a wasteful number, since it uses less digits than its factorization.

22141012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5535257 (or 5535255 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 22141012 is about 4705.4236791175. The cubic root of 22141012 is about 280.8013269581.

Adding to 22141012 its reverse (21014122), we get a palindrome (43155134).

The spelling of 22141012 in words is "twenty-two million, one hundred forty-one thousand, twelve".