242033421 has 16 divisors (see below), whose sum is σ = 374860928. Its totient is φ = 136036800.

The previous prime is 242033411. The next prime is 242033423. The reversal of 242033421 is 124330242.

242033421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242033421 - 2⁶ = 242033357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242033423) 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, 93190 + ... + 95751.

It is an arithmetic number, because the mean of its divisors is an integer number (23428808).

Almost surely, 2^242033421 is an apocalyptic number.

242033421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

242033421 is a deficient number, since it is larger than the sum of its proper divisors (132827507).

242033421 is a wasteful number, since it uses less digits than its factorization.

242033421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189012.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 242033421 is about 15557.4233406435. The cubic root of 242033421 is about 623.1966543020.

Adding to 242033421 its reverse (124330242), we get a palindrome (366363663).

The spelling of 242033421 in words is "two hundred forty-two million, thirty-three thousand, four hundred twenty-one".