222061957 has 6 divisors (see below), whose sum is σ = 239201522. Its totient is φ = 204930672.

The previous prime is 222061951. The next prime is 222061991. The reversal of 222061957 is 759160222.

222061957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 41589601 + 180472356 = 6449^2 + 13434^2 .

It is a de Polignac number, because none of the positive numbers 2^k-222061957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222061951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51663 + ... + 55795.

Almost surely, 2^222061957 is an apocalyptic number.

It is an amenable number.

222061957 is a deficient number, since it is larger than the sum of its proper divisors (17139565).

222061957 is an frugal number, since it uses more digits than its factorization.

222061957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8279 (or 4146 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 222061957 is about 14901.7434214927. The cubic root of 222061957 is about 605.5612186411.

The spelling of 222061957 in words is "two hundred twenty-two million, sixty-one thousand, nine hundred fifty-seven".