22341157 has 4 divisors (see below), whose sum is σ = 22350636. Its totient is φ = 22331680.

The previous prime is 22341127. The next prime is 22341161. The reversal of 22341157 is 75114322.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 75114322 = 2 ⋅37557161.

It can be written as a sum of positive squares in 2 ways, for example, as 6548481 + 15792676 = 2559^2 + 3974^2 .

It is a cyclic number.

It is not a de Polignac number, because 22341157 - 2⁷ = 22341029 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 (22341127) 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, 1857 + ... + 6937.

It is an arithmetic number, because the mean of its divisors is an integer number (5587659).

Almost surely, 2^22341157 is an apocalyptic number.

It is an amenable number.

22341157 is a deficient number, since it is larger than the sum of its proper divisors (9479).

22341157 is an equidigital number, since it uses as much as digits as its factorization.

22341157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9478.

The product of its digits is 1680, while the sum is 25.

The square root of 22341157 is about 4726.6433121191. The cubic root of 22341157 is about 281.6448969944.

Adding to 22341157 its reverse (75114322), we get a palindrome (97455479).

The spelling of 22341157 in words is "twenty-two million, three hundred forty-one thousand, one hundred fifty-seven".