29399922 has 40 divisors (see below), whose sum is σ = 66193776. Its totient is φ = 9753048.

The previous prime is 29399921. The next prime is 29399933. The reversal of 29399922 is 22999392.

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 (29399921) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55953 + ... + 56475.

Almost surely, 2^29399922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29399922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33096888).

29399922 is an abundant number, since it is smaller than the sum of its proper divisors (36793854).

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

29399922 is a wasteful number, since it uses less digits than its factorization.

29399922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884 (or 875 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 29399922 is about 5422.1694920023. The cubic root of 29399922 is about 308.6375238706.

The spelling of 29399922 in words is "twenty-nine million, three hundred ninety-nine thousand, nine hundred twenty-two".