22046461 has 4 divisors (see below), whose sum is σ = 22075900. Its totient is φ = 22017024.

The previous prime is 22046419. The next prime is 22046473. The reversal of 22046461 is 16464022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13461561 + 8584900 = 3669^2 + 2930^2 .

It is a cyclic number.

It is not a de Polignac number, because 22046461 - 2¹¹ = 22044413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22046491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13566 + ... + 15103.

It is an arithmetic number, because the mean of its divisors is an integer number (5518975).

Almost surely, 2^22046461 is an apocalyptic number.

It is an amenable number.

22046461 is a deficient number, since it is larger than the sum of its proper divisors (29439).

22046461 is an equidigital number, since it uses as much as digits as its factorization.

22046461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29438.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 22046461 is about 4695.3659069342. The cubic root of 22046461 is about 280.4010452049.

The spelling of 22046461 in words is "twenty-two million, forty-six thousand, four hundred sixty-one".