29897222 has 12 divisors (see below), whose sum is σ = 47259420. Its totient is φ = 14145876.

The previous prime is 29897207. The next prime is 29897239. The reversal of 29897222 is 22279892.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 29897222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33263 + ... + 34149.

It is an arithmetic number, because the mean of its divisors is an integer number (3938285).

Almost surely, 2^29897222 is an apocalyptic number.

29897222 is a deficient number, since it is larger than the sum of its proper divisors (17362198).

29897222 is an frugal number, since it uses more digits than its factorization.

29897222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795 (or 908 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 29897222 is about 5467.8352206335. The cubic root of 29897222 is about 310.3680055568.

The spelling of 29897222 in words is "twenty-nine million, eight hundred ninety-seven thousand, two hundred twenty-two".