30221022 has 16 divisors (see below), whose sum is σ = 65091600. Its totient is φ = 9298752.

The previous prime is 30221003. The next prime is 30221033. The reversal of 30221022 is 22012203.

It is a super-4 number, since 4×30221022⁴ (a number of 31 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30220989 and 30221007.

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, 193647 + ... + 193802.

It is an arithmetic number, because the mean of its divisors is an integer number (4068225).

Almost surely, 2^30221022 is an apocalyptic number.

30221022 is an abundant number, since it is smaller than the sum of its proper divisors (34870578).

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

30221022 is a wasteful number, since it uses less digits than its factorization.

30221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387467.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 30221022 is about 5497.3650051638. The cubic root of 30221022 is about 311.4844584293.

Adding to 30221022 its reverse (22012203), we get a palindrome (52233225).

The spelling of 30221022 in words is "thirty million, two hundred twenty-one thousand, twenty-two".