29222556 has 48 divisors (see below), whose sum is σ = 75116160. Its totient is φ = 8768320.

The previous prime is 29222539. The next prime is 29222561. The reversal of 29222556 is 65522292.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13090 + ... + 15158.

It is an arithmetic number, because the mean of its divisors is an integer number (1564920).

Almost surely, 2^29222556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29222556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37558080).

29222556 is an abundant number, since it is smaller than the sum of its proper divisors (45893604).

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

29222556 is a wasteful number, since it uses less digits than its factorization.

29222556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194 (or 2192 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 29222556 is about 5405.7891190834. The cubic root of 29222556 is about 308.0156145454.

The spelling of 29222556 in words is "twenty-nine million, two hundred twenty-two thousand, five hundred fifty-six".