223450551 has 12 divisors (see below), whose sum is σ = 323062480. Its totient is φ = 148828320.

The previous prime is 223450541. The next prime is 223450559. The reversal of 223450551 is 155054322.

It is a happy number.

It is not a de Polignac number, because 223450551 - 2⁹ = 223450039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223450559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 835 + ... + 21156.

Almost surely, 2^223450551 is an apocalyptic number.

223450551 is a deficient number, since it is larger than the sum of its proper divisors (99611929).

223450551 is a wasteful number, since it uses less digits than its factorization.

223450551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23126 (or 23123 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 223450551 is about 14948.2624742811. The cubic root of 223450551 is about 606.8208250848.

The spelling of 223450551 in words is "two hundred twenty-three million, four hundred fifty thousand, five hundred fifty-one".