29820222 has 12 divisors (see below), whose sum is σ = 64610520. Its totient is φ = 9940068.

The previous prime is 29820211. The next prime is 29820223. The reversal of 29820222 is 22202892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29820223) 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 5 ways as a sum of consecutive naturals, for example, 828322 + ... + 828357.

It is an arithmetic number, because the mean of its divisors is an integer number (5384210).

Almost surely, 2^29820222 is an apocalyptic number.

29820222 is an abundant number, since it is smaller than the sum of its proper divisors (34790298).

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

29820222 is a wasteful number, since it uses less digits than its factorization.

29820222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656687 (or 1656684 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 29820222 is about 5460.7895033594. The cubic root of 29820222 is about 310.1013265716.

The spelling of 29820222 in words is "twenty-nine million, eight hundred twenty thousand, two hundred twenty-two".