22405741 has 4 divisors (see below), whose sum is σ = 22436800. Its totient is φ = 22374684.

The previous prime is 22405729. The next prime is 22405771. The reversal of 22405741 is 14750422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22405741 - 2⁷ = 22405613 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 (22405771) 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, 14421 + ... + 15898.

It is an arithmetic number, because the mean of its divisors is an integer number (5609200).

Almost surely, 2^22405741 is an apocalyptic number.

It is an amenable number.

22405741 is a deficient number, since it is larger than the sum of its proper divisors (31059).

22405741 is an equidigital number, since it uses as much as digits as its factorization.

22405741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31058.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 22405741 is about 4733.4702914458. The cubic root of 22405741 is about 281.9160296910.

The spelling of 22405741 in words is "twenty-two million, four hundred five thousand, seven hundred forty-one".