611620422 has 32 divisors (see below), whose sum is σ = 1403453952. Its totient is φ = 174065664.

The previous prime is 611620417. The next prime is 611620423. The reversal of 611620422 is 224026116.

It is a junction number, because it is equal to n+sod(n) for n = 611620392 and 611620401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611620423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17538 + ... + 39125.

It is an arithmetic number, because the mean of its divisors is an integer number (43857936).

Almost surely, 2^611620422 is an apocalyptic number.

611620422 is an abundant number, since it is smaller than the sum of its proper divisors (791833530).

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

611620422 is a wasteful number, since it uses less digits than its factorization.

611620422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56932.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 611620422 is about 24730.9607981574. The cubic root of 611620422 is about 848.8429109429.

Adding to 611620422 its reverse (224026116), we get a palindrome (835646538).

The spelling of 611620422 in words is "six hundred eleven million, six hundred twenty thousand, four hundred twenty-two".