222930542 has 4 divisors (see below), whose sum is σ = 334395816. Its totient is φ = 111465270.

The previous prime is 222930529. The next prime is 222930551. The reversal of 222930542 is 245039222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245039222 = 2 ⋅122519611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55732634 + ... + 55732637.

It is an arithmetic number, because the mean of its divisors is an integer number (83598954).

Almost surely, 2^222930542 is an apocalyptic number.

222930542 is a deficient number, since it is larger than the sum of its proper divisors (111465274).

222930542 is a wasteful number, since it uses less digits than its factorization.

222930542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111465273.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 222930542 is about 14930.8587160953. The cubic root of 222930542 is about 606.3497329528.

Adding to 222930542 its reverse (245039222), we get a palindrome (467969764).

The spelling of 222930542 in words is "two hundred twenty-two million, nine hundred thirty thousand, five hundred forty-two".