22237741 has 4 divisors (see below), whose sum is σ = 22249084. Its totient is φ = 22226400.

The previous prime is 22237729. The next prime is 22237759. The reversal of 22237741 is 14773222.

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 4639716 + 17598025 = 2154^2 + 4195^2 .

It is a 3-Lehmer number, since φ(22237741) divides (22237741-1)³.

It is a cyclic number.

It is not a de Polignac number, because 22237741 - 2⁷ = 22237613 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 (22237781) 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, 1890 + ... + 6931.

It is an arithmetic number, because the mean of its divisors is an integer number (5562271).

Almost surely, 2^22237741 is an apocalyptic number.

22237741 is the 2521-st nonagonal number.

It is an amenable number.

22237741 is a deficient number, since it is larger than the sum of its proper divisors (11343).

22237741 is an equidigital number, since it uses as much as digits as its factorization.

22237741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11342.

The product of its digits is 4704, while the sum is 28.

The square root of 22237741 is about 4715.6909355894. The cubic root of 22237741 is about 281.2096517592.

The spelling of 22237741 in words is "twenty-two million, two hundred thirty-seven thousand, seven hundred forty-one".