40130223221 has 4 divisors (see below), whose sum is σ = 43778425344. Its totient is φ = 36482021100.

The previous prime is 40130223173. The next prime is 40130223233. The reversal of 40130223221 is 12232203104.

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 40130223221 - 2¹⁸ = 40129961077 is a prime.

It is a super-2 number, since 2×40130223221² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40130223193 and 40130223202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40130223821) 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, 1824101045 + ... + 1824101066.

It is an arithmetic number, because the mean of its divisors is an integer number (10944606336).

Almost surely, 2^40130223221 is an apocalyptic number.

It is an amenable number.

40130223221 is a deficient number, since it is larger than the sum of its proper divisors (3648202123).

40130223221 is a wasteful number, since it uses less digits than its factorization.

40130223221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3648202122.

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

Adding to 40130223221 its reverse (12232203104), we get a palindrome (52362426325).

The spelling of 40130223221 in words is "forty billion, one hundred thirty million, two hundred twenty-three thousand, two hundred twenty-one".