242451224 has 8 divisors (see below), whose sum is σ = 454596060. Its totient is φ = 121225608.

The previous prime is 242451173. The next prime is 242451241. The reversal of 242451224 is 422154242.

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

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 242451193 and 242451202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15153194 + ... + 15153209.

Almost surely, 2^242451224 is an apocalyptic number.

It is an amenable number.

242451224 is a deficient number, since it is larger than the sum of its proper divisors (212144836).

242451224 is a wasteful number, since it uses less digits than its factorization.

242451224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30306409 (or 30306405 counting only the distinct ones).

The product of its digits is 5120, while the sum is 26.

The square root of 242451224 is about 15570.8453206626. The cubic root of 242451224 is about 623.5550397315. Note that the first 3 decimals are identical.

The spelling of 242451224 in words is "two hundred forty-two million, four hundred fifty-one thousand, two hundred twenty-four".