30409422 has 16 divisors (see below), whose sum is σ = 60874320. Its totient is φ = 10127232.

The previous prime is 30409409. The next prime is 30409441. The reversal of 30409422 is 22490403.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30409392 and 30409401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9318 + ... + 12150.

It is an arithmetic number, because the mean of its divisors is an integer number (3804645).

Almost surely, 2^30409422 is an apocalyptic number.

30409422 is an abundant number, since it is smaller than the sum of its proper divisors (30464898).

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

30409422 is a wasteful number, since it uses less digits than its factorization.

30409422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4627.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 30409422 is about 5514.4738642957. The cubic root of 30409422 is about 312.1303901090.

Adding to 30409422 its reverse (22490403), we get a palindrome (52899825).

The spelling of 30409422 in words is "thirty million, four hundred nine thousand, four hundred twenty-two".