30221110 has 16 divisors (see below), whose sum is σ = 54464400. Its totient is φ = 12073696.

The previous prime is 30221101. The next prime is 30221117. The reversal of 30221110 is 1112203.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221117) by changing a digit.

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, 11061 + ... + 13519.

It is an arithmetic number, because the mean of its divisors is an integer number (3404025).

Almost surely, 2^30221110 is an apocalyptic number.

30221110 is a deficient number, since it is larger than the sum of its proper divisors (24243290).

30221110 is a wasteful number, since it uses less digits than its factorization.

30221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3695.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 30221110 is about 5497.3730089926. The cubic root of 30221110 is about 311.4847607642.

30221110 divided by its sum of digits (10) gives a triangular number (3022111 = T₂₄₅₈).

Adding to 30221110 its reverse (1112203), we get a palindrome (31333313).

It can be divided in two parts, 302 and 21110, that added together give a palindrome (21412).

The spelling of 30221110 in words is "thirty million, two hundred twenty-one thousand, one hundred ten".