611222034442 has 4 divisors (see below), whose sum is σ = 916833051666. Its totient is φ = 305611017220.

The previous prime is 611222034407. The next prime is 611222034469. The reversal of 611222034442 is 244430222116.

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., 542477913961 + 68744120481 = 736531^2 + 262191^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152805508609 + ... + 152805508612.

Almost surely, 2^611222034442 is an apocalyptic number.

611222034442 is a deficient number, since it is larger than the sum of its proper divisors (305611017224).

611222034442 is a wasteful number, since it uses less digits than its factorization.

611222034442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305611017223.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 611222034442 its reverse (244430222116), we get a palindrome (855652256558).

The spelling of 611222034442 in words is "six hundred eleven billion, two hundred twenty-two million, thirty-four thousand, four hundred forty-two".