1002240222442 has 4 divisors (see below), whose sum is σ = 1503360333666. Its totient is φ = 501120111220.

The previous prime is 1002240222439. The next prime is 1002240222461. The reversal of 1002240222442 is 2442220422001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 564272894761 + 437967327681 = 751181^2 + 661791^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 250560055609 + ... + 250560055612.

Almost surely, 2^{1002240222442} is an apocalyptic number.

1002240222442 is a deficient number, since it is larger than the sum of its proper divisors (501120111224).

1002240222442 is an equidigital number, since it uses as much as digits as its factorization.

1002240222442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501120111223.

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 1002240222442 its reverse (2442220422001), we get a palindrome (3444460644443).

The spelling of 1002240222442 in words is "one trillion, two billion, two hundred forty million, two hundred twenty-two thousand, four hundred forty-two".