29322225 has 45 divisors (see below), whose sum is σ = 55437083. Its totient is φ = 14815440.

The previous prime is 29322191. The next prime is 29322239. The reversal of 29322225 is 52222392.

The square root of 29322225 is 5415.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 10556001 + 18766224 = 3249^2 + 4332^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 29322225 - 2¹¹ = 29320177 is a prime.

It is a Duffinian number.

Its product of digits (4320) is a multiple of the sum of its prime divisors (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1543266 + ... + 1543284.

Almost surely, 2^29322225 is an apocalyptic number.

29322225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

29322225 is the 5415-th square number.

29322225 is the 2708-th centered octagonal number.

It is an amenable number.

29322225 is a deficient number, since it is larger than the sum of its proper divisors (26114858).

29322225 is an frugal number, since it uses more digits than its factorization.

29322225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 27 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The cubic root of 29322225 is about 308.3653988241.

The spelling of 29322225 in words is "twenty-nine million, three hundred twenty-two thousand, two hundred twenty-five".