29618225 has 48 divisors (see below), whose sum is σ = 46330368. Its totient is φ = 18282240.

The previous prime is 29618219. The next prime is 29618249. The reversal of 29618225 is 52281692.

It is a happy number.

It is not a de Polignac number, because 29618225 - 2¹⁴ = 29601841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106787 + ... + 107063.

It is an arithmetic number, because the mean of its divisors is an integer number (965216).

Almost surely, 2^29618225 is an apocalyptic number.

29618225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29618225 is a deficient number, since it is larger than the sum of its proper divisors (16712143).

29618225 is a wasteful number, since it uses less digits than its factorization.

29618225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 349 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 29618225 is about 5442.2628565699. The cubic root of 29618225 is about 309.3995487781.

It can be divided in two parts, 2961 and 8225, that multiplied together give a square (24354225 = 4935²).

The spelling of 29618225 in words is "twenty-nine million, six hundred eighteen thousand, two hundred twenty-five".