611222002442 has 8 divisors (see below), whose sum is σ = 917752598436. Its totient is φ = 305304469632.

The previous prime is 611222002421. The next prime is 611222002477. The reversal of 611222002442 is 244200222116.

It can be written as a sum of positive squares in 2 ways, for example, as 420384953641 + 190837048801 = 648371^2 + 436849^2 .

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

It is a super-4 number, since 4×611222002442⁴ (a number of 48 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153263303 + ... + 153267290.

Almost surely, 2^611222002442 is an apocalyptic number.

611222002442 is a deficient number, since it is larger than the sum of its proper divisors (306530595994).

611222002442 is a wasteful number, since it uses less digits than its factorization.

611222002442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306531592.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 611222002442 its reverse (244200222116), we get a palindrome (855422224558).

The spelling of 611222002442 in words is "six hundred eleven billion, two hundred twenty-two million, two thousand, four hundred forty-two".