29227990 has 16 divisors (see below), whose sum is σ = 57393360. Its totient is φ = 10628320.

The previous prime is 29227987. The next prime is 29227993. The reversal of 29227990 is 9972292.

It is an interprime number because it is at equal distance from previous prime (29227987) and next prime (29227993).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29227993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132745 + ... + 132964.

It is an arithmetic number, because the mean of its divisors is an integer number (3587085).

Almost surely, 2^29227990 is an apocalyptic number.

29227990 is a deficient number, since it is larger than the sum of its proper divisors (28165370).

29227990 is a wasteful number, since it uses less digits than its factorization.

29227990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265727.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 29227990 is about 5406.2917050415. The cubic root of 29227990 is about 308.0347054275.

It can be divided in two parts, 292 and 27990, that added together give a palindrome (28282).

The spelling of 29227990 in words is "twenty-nine million, two hundred twenty-seven thousand, nine hundred ninety".