222220054 has 16 divisors (see below), whose sum is σ = 381201408. Its totient is φ = 95173992.

The previous prime is 222220051. The next prime is 222220079. The reversal of 222220054 is 450022222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222220051) 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 7 ways as a sum of consecutive naturals, for example, 21169 + ... + 29875.

It is an arithmetic number, because the mean of its divisors is an integer number (23825088).

Almost surely, 2^222220054 is an apocalyptic number.

222220054 is a deficient number, since it is larger than the sum of its proper divisors (158981354).

222220054 is a wasteful number, since it uses less digits than its factorization.

222220054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10539.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 222220054 is about 14907.0471254370. The cubic root of 222220054 is about 605.7048943103.

Adding to 222220054 its reverse (450022222), we get a palindrome (672242276).

The spelling of 222220054 in words is "two hundred twenty-two million, two hundred twenty thousand, fifty-four".