222445151442 has 48 divisors (see below), whose sum is σ = 493592149440. Its totient is φ = 72380196000.

The previous prime is 222445151387. The next prime is 222445151449. The reversal of 222445151442 is 244151544222.

222445151442 is a `hidden beast` number, since 2 + 2 + 24 + 45 + 151 + 442 = 666.

222445151442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 222445151397 and 222445151406.

It is not an unprimeable number, because it can be changed into a prime (222445151449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 732592 + ... + 990747.

It is an arithmetic number, because the mean of its divisors is an integer number (10283169780).

Almost surely, 2^222445151442 is an apocalyptic number.

222445151442 is an abundant number, since it is smaller than the sum of its proper divisors (271146997998).

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

222445151442 is a wasteful number, since it uses less digits than its factorization.

222445151442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723519 (or 1723516 counting only the distinct ones).

The product of its digits is 102400, while the sum is 36.

Adding to 222445151442 its reverse (244151544222), we get a palindrome (466596695664).

The spelling of 222445151442 in words is "two hundred twenty-two billion, four hundred forty-five million, one hundred fifty-one thousand, four hundred forty-two".