22262461 has 4 divisors (see below), whose sum is σ = 23974972. Its totient is φ = 20549952.

The previous prime is 22262453. The next prime is 22262477. The reversal of 22262461 is 16426222.

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 7868025 + 14394436 = 2805^2 + 3794^2 .

It is a cyclic number.

It is not a de Polignac number, because 22262461 - 2³ = 22262453 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 (22262441) 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, 856236 + ... + 856261.

It is an arithmetic number, because the mean of its divisors is an integer number (5993743).

Almost surely, 2^22262461 is an apocalyptic number.

It is an amenable number.

22262461 is a deficient number, since it is larger than the sum of its proper divisors (1712511).

22262461 is a wasteful number, since it uses less digits than its factorization.

22262461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712510.

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

The square root of 22262461 is about 4718.3112445026. The cubic root of 22262461 is about 281.3138129442.

Adding to 22262461 its reverse (16426222), we get a palindrome (38688683).

The spelling of 22262461 in words is "twenty-two million, two hundred sixty-two thousand, four hundred sixty-one".