29020224 has 84 divisors (see below), whose sum is σ = 81720944. Its totient is φ = 9086976.

The previous prime is 29020223. The next prime is 29020249. The reversal of 29020224 is 42202092.

It is a self number, because there is not a number n which added to its sum of digits gives 29020224.

It is not an unprimeable number, because it can be changed into a prime (29020223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55227 + ... + 55749.

Almost surely, 2^29020224 is an apocalyptic number.

29020224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29020224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40860472).

29020224 is an abundant number, since it is smaller than the sum of its proper divisors (52700720).

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

29020224 is a wasteful number, since it uses less digits than its factorization.

29020224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 29020224 is about 5387.0422311320. The cubic root of 29020224 is about 307.3030849793.

The spelling of 29020224 in words is "twenty-nine million, twenty thousand, two hundred twenty-four".