222054501 has 32 divisors (see below), whose sum is σ = 322240000. Its totient is φ = 135535680.

The previous prime is 222054449. The next prime is 222054509. The reversal of 222054501 is 105450222.

It is a happy number.

It is not a de Polignac number, because 222054501 - 2⁹ = 222053989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222054509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 444750 + ... + 445248.

It is an arithmetic number, because the mean of its divisors is an integer number (10070000).

Almost surely, 2^222054501 is an apocalyptic number.

It is an amenable number.

222054501 is a deficient number, since it is larger than the sum of its proper divisors (100185499).

222054501 is a wasteful number, since it uses less digits than its factorization.

222054501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 222054501 is about 14901.4932473226. The cubic root of 222054501 is about 605.5544410807.

The spelling of 222054501 in words is "two hundred twenty-two million, fifty-four thousand, five hundred one".