29220930 has 48 divisors (see below), whose sum is σ = 77276160. Its totient is φ = 7658784.

The previous prime is 29220889. The next prime is 29220937. The reversal of 29220930 is 3902292.

It is a junction number, because it is equal to n+sod(n) for n = 29220894 and 29220903.

It is not an unprimeable number, because it can be changed into a prime (29220937) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2559 + ... + 8061.

It is an arithmetic number, because the mean of its divisors is an integer number (1609920).

Almost surely, 2^29220930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29220930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38638080).

29220930 is an abundant number, since it is smaller than the sum of its proper divisors (48055230).

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

29220930 is a wasteful number, since it uses less digits than its factorization.

29220930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5575 (or 5572 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 29220930 is about 5405.6387226673. The cubic root of 29220930 is about 308.0099015763.

The spelling of 29220930 in words is "twenty-nine million, two hundred twenty thousand, nine hundred thirty".