222280651 has 2 divisors, whose sum is σ = 222280652. Its totient is φ = 222280650.

The previous prime is 222280649. The next prime is 222280657. The reversal of 222280651 is 156082222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222280651 - 2¹ = 222280649 is a prime.

Together with 222280649, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (222280657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111140325 + 111140326.

It is an arithmetic number, because the mean of its divisors is an integer number (111140326).

Almost surely, 2^222280651 is an apocalyptic number.

222280651 is a deficient number, since it is larger than the sum of its proper divisors (1).

222280651 is an equidigital number, since it uses as much as digits as its factorization.

222280651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 222280651 is about 14909.0794819801. The cubic root of 222280651 is about 605.7599456931.

The spelling of 222280651 in words is "two hundred twenty-two million, two hundred eighty thousand, six hundred fifty-one".