611231422 has 8 divisors (see below), whose sum is σ = 927893736. Its totient is φ = 301933512.

The previous prime is 611231363. The next prime is 611231429. The reversal of 611231422 is 224132116.

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

It is a junction number, because it is equal to n+sod(n) for n = 611231393 and 611231402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611231429) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1840893 + ... + 1841224.

It is an arithmetic number, because the mean of its divisors is an integer number (115986717).

Almost surely, 2^611231422 is an apocalyptic number.

611231422 is a deficient number, since it is larger than the sum of its proper divisors (316662314).

611231422 is a wasteful number, since it uses less digits than its factorization.

611231422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682202.

The product of its digits is 576, while the sum is 22.

The square root of 611231422 is about 24723.0949114386. The cubic root of 611231422 is about 848.6629137260.

Adding to 611231422 its reverse (224132116), we get a palindrome (835363538).

The spelling of 611231422 in words is "six hundred eleven million, two hundred thirty-one thousand, four hundred twenty-two".