22460216 has 8 divisors (see below), whose sum is σ = 42112920. Its totient is φ = 11230104.

The previous prime is 22460203. The next prime is 22460227. The reversal of 22460216 is 61206422.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×22460216² = 1008922605533312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22460191 and 22460200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1403756 + ... + 1403771.

It is an arithmetic number, because the mean of its divisors is an integer number (5264115).

Almost surely, 2^22460216 is an apocalyptic number.

It is an amenable number.

22460216 is a deficient number, since it is larger than the sum of its proper divisors (19652704).

22460216 is a wasteful number, since it uses less digits than its factorization.

22460216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807533 (or 2807529 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 22460216 is about 4739.2210330391. The cubic root of 22460216 is about 282.1443185983.

Adding to 22460216 its reverse (61206422), we get a palindrome (83666638).

The spelling of 22460216 in words is "twenty-two million, four hundred sixty thousand, two hundred sixteen".