222051406 has 8 divisors (see below), whose sum is σ = 340164000. Its totient is φ = 108663408.

The previous prime is 222051377. The next prime is 222051409. The reversal of 222051406 is 604150222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222051409) 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, 1181031 + ... + 1181218.

It is an arithmetic number, because the mean of its divisors is an integer number (42520500).

Almost surely, 2^222051406 is an apocalyptic number.

222051406 is a deficient number, since it is larger than the sum of its proper divisors (118112594).

222051406 is a wasteful number, since it uses less digits than its factorization.

222051406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362298.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 222051406 is about 14901.3893983078. The cubic root of 222051406 is about 605.5516276577.

The spelling of 222051406 in words is "two hundred twenty-two million, fifty-one thousand, four hundred six".