30741822 has 32 divisors (see below), whose sum is σ = 69031200. Its totient is φ = 10139904.

The previous prime is 30741817. The next prime is 30741839. The reversal of 30741822 is 22814703.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2304 + ... + 8172.

It is an arithmetic number, because the mean of its divisors is an integer number (2157225).

Almost surely, 2^30741822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30741822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34515600).

30741822 is an abundant number, since it is smaller than the sum of its proper divisors (38289378).

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

30741822 is a wasteful number, since it uses less digits than its factorization.

30741822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5977 (or 5971 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 30741822 is about 5544.5308187438. The cubic root of 30741822 is about 313.2635519369.

The spelling of 30741822 in words is "thirty million, seven hundred forty-one thousand, eight hundred twenty-two".