22135516 has 24 divisors (see below), whose sum is σ = 41983200. Its totient is φ = 10151232.

The previous prime is 22135507. The next prime is 22135517. The reversal of 22135516 is 61553122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22135517) 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, 7410 + ... + 9958.

It is an arithmetic number, because the mean of its divisors is an integer number (1749300).

Almost surely, 2^22135516 is an apocalyptic number.

22135516 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22135516 is a deficient number, since it is larger than the sum of its proper divisors (19847684).

22135516 is a wasteful number, since it uses less digits than its factorization.

22135516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733 (or 2731 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 22135516 is about 4704.8396359493. The cubic root of 22135516 is about 280.7780908656.

Adding to 22135516 its reverse (61553122), we get a palindrome (83688638).

The spelling of 22135516 in words is "twenty-two million, one hundred thirty-five thousand, five hundred sixteen".