29783225 has 12 divisors (see below), whose sum is σ = 37096956. Its totient is φ = 23719680.

The previous prime is 29783111. The next prime is 29783231. The reversal of 29783225 is 52238792.

It can be written as a sum of positive squares in 6 ways, for example, as 10738729 + 19044496 = 3277^2 + 4364^2 .

It is not a de Polignac number, because 29783225 - 2⁸ = 29782969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3269 + ... + 8381.

It is an arithmetic number, because the mean of its divisors is an integer number (3091413).

Almost surely, 2^29783225 is an apocalyptic number.

29783225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29783225 is a deficient number, since it is larger than the sum of its proper divisors (7313731).

29783225 is a wasteful number, since it uses less digits than its factorization.

29783225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5356 (or 5351 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 29783225 is about 5457.4009381756. The cubic root of 29783225 is about 309.9730292179.

The spelling of 29783225 in words is "twenty-nine million, seven hundred eighty-three thousand, two hundred twenty-five".