22167461 has 4 divisors (see below), whose sum is σ = 22530924. Its totient is φ = 21804000.

The previous prime is 22167451. The next prime is 22167487. The reversal of 22167461 is 16476122.

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 498436 + 21669025 = 706^2 + 4655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22167461 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 (22167451) 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, 181640 + ... + 181761.

It is an arithmetic number, because the mean of its divisors is an integer number (5632731).

Almost surely, 2^22167461 is an apocalyptic number.

It is an amenable number.

22167461 is a deficient number, since it is larger than the sum of its proper divisors (363463).

22167461 is an equidigital number, since it uses as much as digits as its factorization.

22167461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363462.

The product of its digits is 4032, while the sum is 29.

The square root of 22167461 is about 4708.2333204717. The cubic root of 22167461 is about 280.9130947932.

The spelling of 22167461 in words is "twenty-two million, one hundred sixty-seven thousand, four hundred sixty-one".