222554421 has 12 divisors (see below), whose sum is σ = 322751520. Its totient is φ = 147777000.

The previous prime is 222554411. The next prime is 222554461. The reversal of 222554421 is 124455222.

It is not a de Polignac number, because 222554421 - 2⁵ = 222554389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222554411) 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, 47001 + ... + 51518.

It is an arithmetic number, because the mean of its divisors is an integer number (26895960).

Almost surely, 2^222554421 is an apocalyptic number.

It is an amenable number.

222554421 is a deficient number, since it is larger than the sum of its proper divisors (100197099).

222554421 is a wasteful number, since it uses less digits than its factorization.

222554421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98776 (or 98773 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 222554421 is about 14918.2579747100. The cubic root of 222554421 is about 606.0085366245.

The spelling of 222554421 in words is "two hundred twenty-two million, five hundred fifty-four thousand, four hundred twenty-one".