29225642 has 16 divisors (see below), whose sum is σ = 44754120. Its totient is φ = 14310912.

The previous prime is 29225639. The next prime is 29225683. The reversal of 29225642 is 24652292.

It can be written as a sum of positive squares in 4 ways, for example, as 20693401 + 8532241 = 4549^2 + 2921^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29225599 and 29225608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19388 + ... + 20840.

Almost surely, 2^29225642 is an apocalyptic number.

29225642 is a deficient number, since it is larger than the sum of its proper divisors (15528478).

29225642 is a wasteful number, since it uses less digits than its factorization.

29225642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657.

The product of its digits is 17280, while the sum is 32.

The square root of 29225642 is about 5406.0745462859. The cubic root of 29225642 is about 308.0264566580.

The spelling of 29225642 in words is "twenty-nine million, two hundred twenty-five thousand, six hundred forty-two".