22501461 has 8 divisors (see below), whose sum is σ = 30068064. Its totient is φ = 14967920.

The previous prime is 22501441. The next prime is 22501463. The reversal of 22501461 is 16410522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22501461 - 2¹⁰ = 22500437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22501463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6630 + ... + 9431.

It is an arithmetic number, because the mean of its divisors is an integer number (3758508).

Almost surely, 2^22501461 is an apocalyptic number.

It is an amenable number.

22501461 is a deficient number, since it is larger than the sum of its proper divisors (7566603).

22501461 is a wasteful number, since it uses less digits than its factorization.

22501461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16531.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 22501461 is about 4743.5704906747. The cubic root of 22501461 is about 282.3169189927.

Adding to 22501461 its reverse (16410522), we get a palindrome (38911983).

The spelling of 22501461 in words is "twenty-two million, five hundred one thousand, four hundred sixty-one".