222421941 has 12 divisors (see below), whose sum is σ = 367172832. Its totient is φ = 127098216.

The previous prime is 222421889. The next prime is 222421949. The reversal of 222421941 is 149124222.

It is not a de Polignac number, because 222421941 - 2⁶ = 222421877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222421949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1765191 + ... + 1765316.

It is an arithmetic number, because the mean of its divisors is an integer number (30597736).

Almost surely, 2^222421941 is an apocalyptic number.

222421941 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222421941 is a deficient number, since it is larger than the sum of its proper divisors (144750891).

222421941 is a wasteful number, since it uses less digits than its factorization.

222421941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3530520 (or 3530517 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 222421941 is about 14913.8171170227. The cubic root of 222421941 is about 605.8882664960. Note that the first 3 decimals are identical.

The spelling of 222421941 in words is "two hundred twenty-two million, four hundred twenty-one thousand, nine hundred forty-one".