30402021323222 has 4 divisors (see below), whose sum is σ = 45603031984836. Its totient is φ = 15201010661610.

The previous prime is 30402021323207. The next prime is 30402021323237. The reversal of 30402021323222 is 22232312020403.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (30402021323207) and next prime (30402021323237).

It is a super-2 number, since 2×30402021323222² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30402021323191 and 30402021323200.

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, 7600505330804 + ... + 7600505330807.

It is an arithmetic number, because the mean of its divisors is an integer number (11400757996209).

Almost surely, 2^{30402021323222} is an apocalyptic number.

30402021323222 is a deficient number, since it is larger than the sum of its proper divisors (15201010661614).

30402021323222 is a wasteful number, since it uses less digits than its factorization.

30402021323222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15201010661613.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 30402021323222 its reverse (22232312020403), we get a palindrome (52634333343625).

The spelling of 30402021323222 in words is "thirty trillion, four hundred two billion, twenty-one million, three hundred twenty-three thousand, two hundred twenty-two".