29220472 has 8 divisors (see below), whose sum is σ = 54788400. Its totient is φ = 14610232.

The previous prime is 29220449. The next prime is 29220481. The reversal of 29220472 is 27402292.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 29220472.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1826272 + ... + 1826287.

It is an arithmetic number, because the mean of its divisors is an integer number (6848550).

Almost surely, 2^29220472 is an apocalyptic number.

It is an amenable number.

29220472 is a deficient number, since it is larger than the sum of its proper divisors (25567928).

29220472 is a wasteful number, since it uses less digits than its factorization.

29220472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3652565 (or 3652561 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 29220472 is about 5405.5963593298. The cubic root of 29220472 is about 308.0082923500.

It can be divided in two parts, 29220 and 472, that added together give a palindrome (29692).

The spelling of 29220472 in words is "twenty-nine million, two hundred twenty thousand, four hundred seventy-two".