222263551 has 4 divisors (see below), whose sum is σ = 228270712. Its totient is φ = 216256392.

The previous prime is 222263543. The next prime is 222263557. The reversal of 222263551 is 155362222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222263551 - 2³ = 222263543 is a prime.

It is a super-2 number, since 2×222263551² = 98802172206259202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222263557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3003525 + ... + 3003598.

It is an arithmetic number, because the mean of its divisors is an integer number (57067678).

Almost surely, 2^222263551 is an apocalyptic number.

222263551 is a deficient number, since it is larger than the sum of its proper divisors (6007161).

222263551 is an equidigital number, since it uses as much as digits as its factorization.

222263551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6007160.

The product of its digits is 7200, while the sum is 28.

The square root of 222263551 is about 14908.5059949010. The cubic root of 222263551 is about 605.7444116364.

The spelling of 222263551 in words is "two hundred twenty-two million, two hundred sixty-three thousand, five hundred fifty-one".