29422224 has 160 divisors (see below), whose sum is σ = 94438400. Its totient is φ = 8760960.

The previous prime is 29422171. The next prime is 29422229. The reversal of 29422224 is 42222492.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (29422229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 949089 + ... + 949119.

It is an arithmetic number, because the mean of its divisors is an integer number (590240).

Almost surely, 2^29422224 is an apocalyptic number.

29422224 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 29422224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47219200).

29422224 is an abundant number, since it is smaller than the sum of its proper divisors (65016176).

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

29422224 is a wasteful number, since it uses less digits than its factorization.

29422224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 49 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 29422224 is about 5424.2256590227. The cubic root of 29422224 is about 308.7155455551.

It can be divided in two parts, 29422 and 224, that added together give a triangular number (29646 = T₂₄₃).

The spelling of 29422224 in words is "twenty-nine million, four hundred twenty-two thousand, two hundred twenty-four".