22471022 has 16 divisors (see below), whose sum is σ = 38610432. Its totient is φ = 9608280.

The previous prime is 22471021. The next prime is 22471037. The reversal of 22471022 is 22017422.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22470985 and 22471003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22471021) 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, 5447 + ... + 8637.

It is an arithmetic number, because the mean of its divisors is an integer number (2413152).

Almost surely, 2^22471022 is an apocalyptic number.

22471022 is a deficient number, since it is larger than the sum of its proper divisors (16139410).

22471022 is a wasteful number, since it uses less digits than its factorization.

22471022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 22471022 is about 4740.3609567205. The cubic root of 22471022 is about 282.1895595209.

Adding to 22471022 its reverse (22017422), we get a palindrome (44488444).

The spelling of 22471022 in words is "twenty-two million, four hundred seventy-one thousand, twenty-two".