240226421 has 8 divisors (see below), whose sum is σ = 256785984. Its totient is φ = 224176480.

The previous prime is 240226411. The next prime is 240226457. The reversal of 240226421 is 124622042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240226421 - 2¹⁰ = 240225397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240226411) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 126431 + ... + 128316.

It is an arithmetic number, because the mean of its divisors is an integer number (32098248).

Almost surely, 2^240226421 is an apocalyptic number.

It is an amenable number.

240226421 is a deficient number, since it is larger than the sum of its proper divisors (16559563).

240226421 is a wasteful number, since it uses less digits than its factorization.

240226421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254811.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 240226421 is about 15499.2393684335. The cubic root of 240226421 is about 621.6418682912.

Adding to 240226421 its reverse (124622042), we get a palindrome (364848463).

The spelling of 240226421 in words is "two hundred forty million, two hundred twenty-six thousand, four hundred twenty-one".