30420022 has 8 divisors (see below), whose sum is σ = 46143000. Its totient is φ = 15039024.

The previous prime is 30420001. The next prime is 30420023. The reversal of 30420022 is 22002403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 30419984 and 30420011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30420023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85272 + ... + 85627.

It is an arithmetic number, because the mean of its divisors is an integer number (5767875).

Almost surely, 2^30420022 is an apocalyptic number.

30420022 is a deficient number, since it is larger than the sum of its proper divisors (15722978).

30420022 is a wasteful number, since it uses less digits than its factorization.

30420022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170990.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 30420022 is about 5515.4348876585. The cubic root of 30420022 is about 312.1666529683.

Adding to 30420022 its reverse (22002403), we get a palindrome (52422425).

The spelling of 30420022 in words is "thirty million, four hundred twenty thousand, twenty-two".