611481222 has 24 divisors (see below), whose sum is σ = 1445319720. Its totient is φ = 185297280.

The previous prime is 611481191. The next prime is 611481223. The reversal of 611481222 is 222184116.

611481222 is a `hidden beast` number, since 611 + 48 + 1 + 2 + 2 + 2 = 666.

It is a super-2 number, since 2×611481222² = 747818569717226568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611481223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1543947 + ... + 1544342.

It is an arithmetic number, because the mean of its divisors is an integer number (60221655).

Almost surely, 2^611481222 is an apocalyptic number.

611481222 is an abundant number, since it is smaller than the sum of its proper divisors (833838498).

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

611481222 is a wasteful number, since it uses less digits than its factorization.

611481222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088308 (or 3088305 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 611481222 is about 24728.1463518801. The cubic root of 611481222 is about 848.7785093990.

The spelling of 611481222 in words is "six hundred eleven million, four hundred eighty-one thousand, two hundred twenty-two".