402221122205 has 32 divisors (see below), whose sum is σ = 555488713728. Its totient is φ = 273877113600.

The previous prime is 402221122183. The next prime is 402221122213. The reversal of 402221122205 is 502221122204.

It is not a de Polignac number, because 402221122205 - 2¹⁴ = 402221105821 is a prime.

It is a super-2 number, since 2×402221122205² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4930700 + ... + 5011610.

It is an arithmetic number, because the mean of its divisors is an integer number (17359022304).

Almost surely, 2^402221122205 is an apocalyptic number.

It is an amenable number.

402221122205 is a deficient number, since it is larger than the sum of its proper divisors (153267591523).

402221122205 is a wasteful number, since it uses less digits than its factorization.

402221122205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81917.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 402221122205 its reverse (502221122204), we get a palindrome (904442244409).

Subtracting 402221122205 from its reverse (502221122204), we obtain a palindrome (99999999999).

The spelling of 402221122205 in words is "four hundred two billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred five".