30122255 has 8 divisors (see below), whose sum is σ = 37123872. Its totient is φ = 23446368.

The previous prime is 30122243. The next prime is 30122269. The reversal of 30122255 is 55222103.

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

It is a cyclic number.

It is not a de Polignac number, because 30122255 - 2⁸ = 30121999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81227 + ... + 81596.

It is an arithmetic number, because the mean of its divisors is an integer number (4640484).

Almost surely, 2^30122255 is an apocalyptic number.

30122255 is a deficient number, since it is larger than the sum of its proper divisors (7001617).

30122255 is a wasteful number, since it uses less digits than its factorization.

30122255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162865.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 30122255 is about 5488.3745316806. The cubic root of 30122255 is about 311.1447615482.

Adding to 30122255 its reverse (55222103), we get a palindrome (85344358).

The spelling of 30122255 in words is "thirty million, one hundred twenty-two thousand, two hundred fifty-five".