222944541 has 4 divisors (see below), whose sum is σ = 297259392. Its totient is φ = 148629692.

The previous prime is 222944531. The next prime is 222944549. The reversal of 222944541 is 145449222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222944541 - 2⁷ = 222944413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222944549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37157421 + ... + 37157426.

It is an arithmetic number, because the mean of its divisors is an integer number (74314848).

Almost surely, 2^222944541 is an apocalyptic number.

It is an amenable number.

222944541 is a deficient number, since it is larger than the sum of its proper divisors (74314851).

222944541 is an equidigital number, since it uses as much as digits as its factorization.

222944541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74314850.

The product of its digits is 23040, while the sum is 33.

The square root of 222944541 is about 14931.3275029382. The cubic root of 222944541 is about 606.3624246671.

The spelling of 222944541 in words is "two hundred twenty-two million, nine hundred forty-four thousand, five hundred forty-one".