29223424 has 20 divisors (see below), whose sum is σ = 58390794. Its totient is φ = 14611456.

The previous prime is 29223379. The next prime is 29223427. The reversal of 29223424 is 42432292.

It can be written as a sum of positive squares in only one way, i.e., 27373824 + 1849600 = 5232^2 + 1360^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 29223392 and 29223401.

It is not an unprimeable number, because it can be changed into a prime (29223427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28027 + ... + 29050.

Almost surely, 2^29223424 is an apocalyptic number.

It is an amenable number.

29223424 is a deficient number, since it is larger than the sum of its proper divisors (29167370).

29223424 is an frugal number, since it uses more digits than its factorization.

29223424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57095 (or 57079 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 29223424 is about 5405.8694027880. The cubic root of 29223424 is about 308.0186641863.

It can be divided in two parts, 292 and 23424, that added together give a square (23716 = 154²).

The spelling of 29223424 in words is "twenty-nine million, two hundred twenty-three thousand, four hundred twenty-four".