40122214221 has 8 divisors (see below), whose sum is σ = 53693689984. Its totient is φ = 26649440640.

The previous prime is 40122214217. The next prime is 40122214247. The reversal of 40122214221 is 12241222104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40122214221 - 2² = 40122214217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40122214201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24674596 + ... + 24676221.

It is an arithmetic number, because the mean of its divisors is an integer number (6711711248).

Almost surely, 2^40122214221 is an apocalyptic number.

It is an amenable number.

40122214221 is a deficient number, since it is larger than the sum of its proper divisors (13571475763).

40122214221 is a wasteful number, since it uses less digits than its factorization.

40122214221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49351091.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 40122214221 its reverse (12241222104), we get a palindrome (52363436325).

The spelling of 40122214221 in words is "forty billion, one hundred twenty-two million, two hundred fourteen thousand, two hundred twenty-one".