222403330211221 has 8 divisors (see below), whose sum is σ = 222624130153824. Its totient is φ = 222182604186480.

The previous prime is 222403330211171. The next prime is 222403330211233. The reversal of 222403330211221 is 122112033304222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 222403330211221 - 2¹³ = 222403330203029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222403330211221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222403330211261) 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, 12457926 + ... + 24495031.

It is an arithmetic number, because the mean of its divisors is an integer number (27828016269228).

Almost surely, 2^{222403330211221} is an apocalyptic number.

It is an amenable number.

222403330211221 is a deficient number, since it is larger than the sum of its proper divisors (220799942603).

222403330211221 is a wasteful number, since it uses less digits than its factorization.

222403330211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36958931.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 222403330211221 its reverse (122112033304222), we get a palindrome (344515363515443).

The spelling of 222403330211221 in words is "two hundred twenty-two trillion, four hundred three billion, three hundred thirty million, two hundred eleven thousand, two hundred twenty-one".