222838451 has 4 divisors (see below), whose sum is σ = 243096504. Its totient is φ = 202580400.

The previous prime is 222838439. The next prime is 222838463. The reversal of 222838451 is 154838222.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (222838439) and next prime (222838463).

It is not a de Polignac number, because 222838451 - 2¹⁰ = 222837427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222838471) 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, 10129010 + ... + 10129031.

It is an arithmetic number, because the mean of its divisors is an integer number (60774126).

Almost surely, 2^222838451 is an apocalyptic number.

222838451 is a deficient number, since it is larger than the sum of its proper divisors (20258053).

222838451 is a wasteful number, since it uses less digits than its factorization.

222838451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20258052.

The product of its digits is 30720, while the sum is 35.

The square root of 222838451 is about 14927.7744824873. The cubic root of 222838451 is about 606.2662285520.

The spelling of 222838451 in words is "two hundred twenty-two million, eight hundred thirty-eight thousand, four hundred fifty-one".