29047222 has 8 divisors (see below), whose sum is σ = 44498016. Its totient is φ = 14214552.

The previous prime is 29047189. The next prime is 29047223. The reversal of 29047222 is 22274092.

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

It is a super-2 number, since 2×29047222² = 1687482211834568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29047223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154413 + ... + 154600.

It is an arithmetic number, because the mean of its divisors is an integer number (5562252).

Almost surely, 2^29047222 is an apocalyptic number.

29047222 is a deficient number, since it is larger than the sum of its proper divisors (15450794).

29047222 is a wasteful number, since it uses less digits than its factorization.

29047222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309062.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 29047222 is about 5389.5474763657. The cubic root of 29047222 is about 307.3983518433.

The spelling of 29047222 in words is "twenty-nine million, forty-seven thousand, two hundred twenty-two".