22071464 has 16 divisors (see below), whose sum is σ = 43562400. Its totient is φ = 10454832.

The previous prime is 22071463. The next prime is 22071551. The reversal of 22071464 is 46417022.

It is not an unprimeable number, because it can be changed into a prime (22071461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72452 + ... + 72755.

It is an arithmetic number, because the mean of its divisors is an integer number (2722650).

Almost surely, 2^22071464 is an apocalyptic number.

It is an amenable number.

22071464 is a deficient number, since it is larger than the sum of its proper divisors (21490936).

22071464 is a wasteful number, since it uses less digits than its factorization.

22071464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145232 (or 145228 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 22071464 is about 4698.0276712680. The cubic root of 22071464 is about 280.5070065600.

Adding to 22071464 its reverse (46417022), we get a palindrome (68488486).

The spelling of 22071464 in words is "twenty-two million, seventy-one thousand, four hundred sixty-four".