226502421 has 4 divisors (see below), whose sum is σ = 302003232. Its totient is φ = 151001612.

The previous prime is 226502417. The next prime is 226502431. The reversal of 226502421 is 124205622.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 226502421 - 2² = 226502417 is a prime.

It is a super-2 number, since 2×226502421² = 102606693437722482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 226502391 and 226502400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226502431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37750401 + ... + 37750406.

It is an arithmetic number, because the mean of its divisors is an integer number (75500808).

Almost surely, 2^226502421 is an apocalyptic number.

It is an amenable number.

226502421 is a deficient number, since it is larger than the sum of its proper divisors (75500811).

226502421 is an equidigital number, since it uses as much as digits as its factorization.

226502421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75500810.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 226502421 is about 15049.9973754151. The cubic root of 226502421 is about 609.5709793528.

The spelling of 226502421 in words is "two hundred twenty-six million, five hundred two thousand, four hundred twenty-one".