29074221 has 48 divisors (see below), whose sum is σ = 48484800. Its totient is φ = 17262720.

The previous prime is 29074219. The next prime is 29074223. The reversal of 29074221 is 12247092.

It is an interprime number because it is at equal distance from previous prime (29074219) and next prime (29074223).

It is not a de Polignac number, because 29074221 - 2¹ = 29074219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29074223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 195055 + ... + 195203.

It is an arithmetic number, because the mean of its divisors is an integer number (1010100).

Almost surely, 2^29074221 is an apocalyptic number.

It is an amenable number.

29074221 is a deficient number, since it is larger than the sum of its proper divisors (19410579).

29074221 is a wasteful number, since it uses less digits than its factorization.

29074221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 29074221 is about 5392.0516503461. The cubic root of 29074221 is about 307.4935632204.

The spelling of 29074221 in words is "twenty-nine million, seventy-four thousand, two hundred twenty-one".