30405402022 has 4 divisors (see below), whose sum is σ = 45608103036. Its totient is φ = 15202701010.

The previous prime is 30405402019. The next prime is 30405402077. The reversal of 30405402022 is 22020450403.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 30405401984 and 30405402002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7601350504 + ... + 7601350507.

It is an arithmetic number, because the mean of its divisors is an integer number (11402025759).

Almost surely, 2^30405402022 is an apocalyptic number.

30405402022 is a deficient number, since it is larger than the sum of its proper divisors (15202701014).

30405402022 is a wasteful number, since it uses less digits than its factorization.

30405402022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15202701013.

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 30405402022 its reverse (22020450403), we get a palindrome (52425852425).

The spelling of 30405402022 in words is "thirty billion, four hundred five million, four hundred two thousand, twenty-two".