222555541 has 32 divisors (see below), whose sum is σ = 259660800. Its totient is φ = 189181440.

The previous prime is 222555523. The next prime is 222555559. The reversal of 222555541 is 145555222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (222555523) and next prime (222555559).

It is a cyclic number.

It is not a de Polignac number, because 222555541 - 2⁹ = 222555029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222555581) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1601050 + ... + 1601188.

It is an arithmetic number, because the mean of its divisors is an integer number (8114400).

Almost surely, 2^222555541 is an apocalyptic number.

It is an amenable number.

222555541 is a deficient number, since it is larger than the sum of its proper divisors (37105259).

222555541 is a wasteful number, since it uses less digits than its factorization.

222555541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349.

The product of its digits is 20000, while the sum is 31.

The square root of 222555541 is about 14918.2955125577. The cubic root of 222555541 is about 606.0095531975.

The spelling of 222555541 in words is "two hundred twenty-two million, five hundred fifty-five thousand, five hundred forty-one".