40221230213 has 4 divisors (see below), whose sum is σ = 40487596128. Its totient is φ = 39954864300.

The previous prime is 40221230201. The next prime is 40221230219. The reversal of 40221230213 is 31203212204.

40221230213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40221230213 - 2⁸ = 40221229957 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 (40221230219) 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, 133182731 + ... + 133183032.

It is an arithmetic number, because the mean of its divisors is an integer number (10121899032).

Almost surely, 2^40221230213 is an apocalyptic number.

It is an amenable number.

40221230213 is a deficient number, since it is larger than the sum of its proper divisors (266365915).

40221230213 is a wasteful number, since it uses less digits than its factorization.

40221230213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266365914.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 40221230213 its reverse (31203212204), we get a palindrome (71424442417).

The spelling of 40221230213 in words is "forty billion, two hundred twenty-one million, two hundred thirty thousand, two hundred thirteen".