22046251 has 8 divisors (see below), whose sum is σ = 23645520. Its totient is φ = 20490912.

The previous prime is 22046237. The next prime is 22046267. The reversal of 22046251 is 15264022.

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 22046251 - 2¹¹ = 22044203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22046201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9940 + ... + 11953.

It is an arithmetic number, because the mean of its divisors is an integer number (2955690).

Almost surely, 2^22046251 is an apocalyptic number.

22046251 is a deficient number, since it is larger than the sum of its proper divisors (1599269).

22046251 is a wasteful number, since it uses less digits than its factorization.

22046251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21965.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 22046251 is about 4695.3435444065. The cubic root of 22046251 is about 280.4001548972.

The spelling of 22046251 in words is "twenty-two million, forty-six thousand, two hundred fifty-one".