223212303554 has 4 divisors (see below), whose sum is σ = 334818455334. Its totient is φ = 111606151776.

The previous prime is 223212303553. The next prime is 223212303583. The reversal of 223212303554 is 455303212322.

223212303554 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 119247974329 + 103964329225 = 345323^2 + 322435^2 .

It is a super-3 number, since 3×223212303554³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223212303554.

It is not an unprimeable number, because it can be changed into a prime (223212303553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55803075887 + ... + 55803075890.

Almost surely, 2^223212303554 is an apocalyptic number.

223212303554 is a deficient number, since it is larger than the sum of its proper divisors (111606151780).

223212303554 is a wasteful number, since it uses less digits than its factorization.

223212303554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111606151779.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 223212303554 its reverse (455303212322), we get a palindrome (678515515876).

The spelling of 223212303554 in words is "two hundred twenty-three billion, two hundred twelve million, three hundred three thousand, five hundred fifty-four".