226421545 has 32 divisors (see below), whose sum is σ = 328545792. Its totient is φ = 146437632.

The previous prime is 226421491. The next prime is 226421581. The reversal of 226421545 is 545124622.

It is a cyclic number.

It is not a de Polignac number, because 226421545 - 2⁷ = 226421417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56839 + ... + 60691.

It is an arithmetic number, because the mean of its divisors is an integer number (10267056).

Almost surely, 2^226421545 is an apocalyptic number.

It is an amenable number.

226421545 is a deficient number, since it is larger than the sum of its proper divisors (102124247).

226421545 is a wasteful number, since it uses less digits than its factorization.

226421545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3961.

The product of its digits is 19200, while the sum is 31.

The square root of 226421545 is about 15047.3102247545. The cubic root of 226421545 is about 609.4984186399.

The spelling of 226421545 in words is "two hundred twenty-six million, four hundred twenty-one thousand, five hundred forty-five".