30361122 has 64 divisors (see below), whose sum is σ = 74649600. Its totient is φ = 9069840.

The previous prime is 30361109. The next prime is 30361129. The reversal of 30361122 is 22116303.

30361122 is a `hidden beast` number, since 30 + 3 + 611 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30361095 and 30361104.

It is not an unprimeable number, because it can be changed into a prime (30361129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46603 + ... + 47249.

It is an arithmetic number, because the mean of its divisors is an integer number (1166400).

Almost surely, 2^30361122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30361122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37324800).

30361122 is an abundant number, since it is smaller than the sum of its proper divisors (44288478).

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

30361122 is a wasteful number, since it uses less digits than its factorization.

30361122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 30361122 is about 5510.0927396914. The cubic root of 30361122 is about 311.9650478597.

Adding to 30361122 its reverse (22116303), we get a palindrome (52477425).

It can be divided in two parts, 303 and 61122, that added together give a triangular number (61425 = T₃₅₀).

The spelling of 30361122 in words is "thirty million, three hundred sixty-one thousand, one hundred twenty-two".