242221422312 has 48 divisors (see below), whose sum is σ = 656064454500. Its totient is φ = 80734553856.

The previous prime is 242221422251. The next prime is 242221422341. The reversal of 242221422312 is 213224122242.

242221422312 is a `hidden beast` number, since 2 + 4 + 2 + 221 + 422 + 3 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 199642750596 + 42578671716 = 446814^2 + 206346^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 927114 + ... + 1159302.

Almost surely, 2^242221422312 is an apocalyptic number.

It is an amenable number.

242221422312 is an abundant number, since it is smaller than the sum of its proper divisors (413843032188).

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

242221422312 is a wasteful number, since it uses less digits than its factorization.

242221422312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246690 (or 246683 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

Adding to 242221422312 its reverse (213224122242), we get a palindrome (455445544554).

The spelling of 242221422312 in words is "two hundred forty-two billion, two hundred twenty-one million, four hundred twenty-two thousand, three hundred twelve".