22102461 has 24 divisors (see below), whose sum is σ = 32675136. Its totient is φ = 14394240.

The previous prime is 22102441. The next prime is 22102463. The reversal of 22102461 is 16420122.

It is not a de Polignac number, because 22102461 - 2¹⁰ = 22101437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104646 + ... + 104856.

It is an arithmetic number, because the mean of its divisors is an integer number (1361464).

Almost surely, 2^22102461 is an apocalyptic number.

It is an amenable number.

22102461 is a deficient number, since it is larger than the sum of its proper divisors (10572675).

22102461 is a wasteful number, since it uses less digits than its factorization.

22102461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 22102461 is about 4701.3254514020. The cubic root of 22102461 is about 280.6382591209.

Adding to 22102461 its reverse (16420122), we get a palindrome (38522583).

The spelling of 22102461 in words is "twenty-two million, one hundred two thousand, four hundred sixty-one".