222040651 has 8 divisors (see below), whose sum is σ = 253950464. Its totient is φ = 190178280.

The previous prime is 222040649. The next prime is 222040667. The reversal of 222040651 is 156040222.

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

It is a cyclic number.

It is not a de Polignac number, because 222040651 - 2¹ = 222040649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222040601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185 + ... + 21106.

It is an arithmetic number, because the mean of its divisors is an integer number (31743808).

Almost surely, 2^222040651 is an apocalyptic number.

222040651 is a deficient number, since it is larger than the sum of its proper divisors (31909813).

222040651 is a wasteful number, since it uses less digits than its factorization.

222040651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23721.

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

The square root of 222040651 is about 14901.0285215484. The cubic root of 222040651 is about 605.5418509232.

Adding to 222040651 its reverse (156040222), we get a palindrome (378080873).

The spelling of 222040651 in words is "two hundred twenty-two million, forty thousand, six hundred fifty-one".