22225141 has 4 divisors (see below), whose sum is σ = 22234572. Its totient is φ = 22215712.

The previous prime is 22225129. The next prime is 22225211. The reversal of 22225141 is 14152222.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 12744900 + 9480241 = 3570^2 + 3079^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22225141 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 (22225111) 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, 2241 + ... + 7033.

It is an arithmetic number, because the mean of its divisors is an integer number (5558643).

Almost surely, 2^22225141 is an apocalyptic number.

It is an amenable number.

22225141 is a deficient number, since it is larger than the sum of its proper divisors (9431).

22225141 is an equidigital number, since it uses as much as digits as its factorization.

22225141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9430.

The product of its digits is 320, while the sum is 19.

The square root of 22225141 is about 4714.3547808794. The cubic root of 22225141 is about 281.1565301910.

Adding to 22225141 its reverse (14152222), we get a palindrome (36377363).

It can be divided in two parts, 22225 and 141, that added together give a triangular number (22366 = T₂₁₁).

The spelling of 22225141 in words is "twenty-two million, two hundred twenty-five thousand, one hundred forty-one".