29222320 has 40 divisors (see below), whose sum is σ = 71941824. Its totient is φ = 11000832.

The previous prime is 29222309. The next prime is 29222339. The reversal of 29222320 is 2322292.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 29222291 and 29222300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9384 + ... + 12103.

Almost surely, 2^29222320 is an apocalyptic number.

29222320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29222320 is an abundant number, since it is smaller than the sum of its proper divisors (42719504).

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

29222320 is a wasteful number, since it uses less digits than its factorization.

29222320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21517 (or 21511 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 29222320 is about 5405.7672905888. The cubic root of 29222320 is about 308.0147853699.

The spelling of 29222320 in words is "twenty-nine million, two hundred twenty-two thousand, three hundred twenty".