222124761 has 20 divisors (see below), whose sum is σ = 332217600. Its totient is φ = 147904056.

The previous prime is 222124759. The next prime is 222124769. The reversal of 222124761 is 167421222.

It is not a de Polignac number, because 222124761 - 2¹ = 222124759 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (222124769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 125400 + ... + 127158.

It is an arithmetic number, because the mean of its divisors is an integer number (16610880).

Almost surely, 2^222124761 is an apocalyptic number.

It is an amenable number.

222124761 is a deficient number, since it is larger than the sum of its proper divisors (110092839).

222124761 is a wasteful number, since it uses less digits than its factorization.

222124761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330 (or 3321 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 222124761 is about 14903.8505427289. The cubic root of 222124761 is about 605.6183019321.

Adding to 222124761 its reverse (167421222), we get a palindrome (389545983).

The spelling of 222124761 in words is "two hundred twenty-two million, one hundred twenty-four thousand, seven hundred sixty-one".