223542126 has 32 divisors (see below), whose sum is σ = 501893280. Its totient is φ = 73744128.

The previous prime is 223542119. The next prime is 223542131. The reversal of 223542126 is 621245322.

It is a happy number.

223542126 is a `hidden beast` number, since 2 + 235 + 421 + 2 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 223542126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16101 + ... + 26576.

It is an arithmetic number, because the mean of its divisors is an integer number (15684165).

Almost surely, 2^223542126 is an apocalyptic number.

223542126 is an abundant number, since it is smaller than the sum of its proper divisors (278351154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223542126 is a wasteful number, since it uses less digits than its factorization.

223542126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42785 (or 42779 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 223542126 is about 14951.3252255444. The cubic root of 223542126 is about 606.9037099816.

Adding to 223542126 its reverse (621245322), we get a palindrome (844787448).

The spelling of 223542126 in words is "two hundred twenty-three million, five hundred forty-two thousand, one hundred twenty-six".