22135464 has 64 divisors (see below), whose sum is σ = 66225600. Its totient is φ = 6810048.

The previous prime is 22135459. The next prime is 22135481. The reversal of 22135464 is 46453122.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1134 + ... + 6749.

It is an arithmetic number, because the mean of its divisors is an integer number (1034775).

Almost surely, 2^22135464 is an apocalyptic number.

22135464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22135464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33112800).

22135464 is an abundant number, since it is smaller than the sum of its proper divisors (44090136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22135464 is a wasteful number, since it uses less digits than its factorization.

22135464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7911 (or 7901 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 22135464 is about 4704.8341097216. The cubic root of 22135464 is about 280.7778710007. Note that the first 3 decimals are identical.

Adding to 22135464 its reverse (46453122), we get a palindrome (68588586).

The spelling of 22135464 in words is "twenty-two million, one hundred thirty-five thousand, four hundred sixty-four".