29920422 has 32 divisors (see below), whose sum is σ = 68620032. Its totient is φ = 8519904.

The previous prime is 29920417. The next prime is 29920427. The reversal of 29920422 is 22402992.

It is an interprime number because it is at equal distance from previous prime (29920417) and next prime (29920427).

It is a self number, because there is not a number n which added to its sum of digits gives 29920422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29920427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13548 + ... + 15600.

It is an arithmetic number, because the mean of its divisors is an integer number (2144376).

Almost surely, 2^29920422 is an apocalyptic number.

29920422 is an abundant number, since it is smaller than the sum of its proper divisors (38699610).

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

29920422 is a wasteful number, since it uses less digits than its factorization.

29920422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 29920422 is about 5469.9563069553. The cubic root of 29920422 is about 310.4482658121.

The spelling of 29920422 in words is "twenty-nine million, nine hundred twenty thousand, four hundred twenty-two".