29197225 has 6 divisors (see below), whose sum is σ = 36204590. Its totient is φ = 23357760.

The previous prime is 29197213. The next prime is 29197247. The reversal of 29197225 is 52279192.

It can be written as a sum of positive squares in 3 ways, for example, as 242064 + 28955161 = 492^2 + 5381^2 .

It is not a de Polignac number, because 29197225 - 2¹³ = 29189033 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 583920 + ... + 583969.

Almost surely, 2^29197225 is an apocalyptic number.

29197225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29197225 is a deficient number, since it is larger than the sum of its proper divisors (7007365).

29197225 is a wasteful number, since it uses less digits than its factorization.

29197225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167899 (or 1167894 counting only the distinct ones).

The product of its digits is 22680, while the sum is 37.

The square root of 29197225 is about 5403.4456599470. The cubic root of 29197225 is about 307.9265897175.

The spelling of 29197225 in words is "twenty-nine million, one hundred ninety-seven thousand, two hundred twenty-five".