222001203402 has 96 divisors (see below), whose sum is σ = 548184139776. Its totient is φ = 64318471200.

The previous prime is 222001203383. The next prime is 222001203427. The reversal of 222001203402 is 204302100222.

222001203402 is a `hidden beast` number, since 2 + 2 + 200 + 120 + 340 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 291573 + ... + 727335.

It is an arithmetic number, because the mean of its divisors is an integer number (5710251456).

Almost surely, 2^222001203402 is an apocalyptic number.

222001203402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 222001203402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274092069888).

222001203402 is an abundant number, since it is smaller than the sum of its proper divisors (326182936374).

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

222001203402 is a wasteful number, since it uses less digits than its factorization.

222001203402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435896 (or 435893 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 222001203402 its reverse (204302100222), we get a palindrome (426303303624).

The spelling of 222001203402 in words is "two hundred twenty-two billion, one million, two hundred three thousand, four hundred two".