29228742 has 32 divisors (see below), whose sum is σ = 66712800. Its totient is φ = 9478944.

The previous prime is 29228741. The next prime is 29228743. The reversal of 29228742 is 24782292.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (29228741) and next prime (29228743).

It is a junction number, because it is equal to n+sod(n) for n = 29228697 and 29228706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29228741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5317 + ... + 9312.

It is an arithmetic number, because the mean of its divisors is an integer number (2084775).

Almost surely, 2^29228742 is an apocalyptic number.

29228742 is an abundant number, since it is smaller than the sum of its proper divisors (37484058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29228742 is a wasteful number, since it uses less digits than its factorization.

29228742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14677 (or 14671 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 29228742 is about 5406.3612531905. The cubic root of 29228742 is about 308.0373471888.

It can be divided in two parts, 2922 and 8742, that added together give a square (11664 = 108²).

The spelling of 29228742 in words is "twenty-nine million, two hundred twenty-eight thousand, seven hundred forty-two".