402221122204 has 48 divisors (see below), whose sum is σ = 826826434560. Its totient is φ = 169156693760.

The previous prime is 402221122183. The next prime is 402221122213.

402221122204 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×402221122204² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4512892 + ... + 4601155.

It is an arithmetic number, because the mean of its divisors is an integer number (17225550720).

Almost surely, 2^402221122204 is an apocalyptic number.

402221122204 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

402221122204 is an abundant number, since it is smaller than the sum of its proper divisors (424605312356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402221122204 is a wasteful number, since it uses less digits than its factorization.

402221122204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9114138 (or 9114136 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Multiplying 402221122204 by its sum of digits (22), we get a palindrome (8848864688488).

It can be divided in two parts, 402221 and 122204, that added together give a palindrome (524425).

The spelling of 402221122204 in words is "four hundred two billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred four".