222061953 has 4 divisors (see below), whose sum is σ = 296082608. Its totient is φ = 148041300.

The previous prime is 222061951. The next prime is 222061991. The reversal of 222061953 is 359160222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 222061953 - 2¹ = 222061951 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222061953.

It is not an unprimeable number, because it can be changed into a prime (222061951) 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 3 ways as a sum of consecutive naturals, for example, 37010323 + ... + 37010328.

It is an arithmetic number, because the mean of its divisors is an integer number (74020652).

Almost surely, 2^222061953 is an apocalyptic number.

It is an amenable number.

222061953 is a deficient number, since it is larger than the sum of its proper divisors (74020655).

222061953 is an equidigital number, since it uses as much as digits as its factorization.

222061953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74020654.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 222061953 is about 14901.7432872802. The cubic root of 222061953 is about 605.5612150051.

The spelling of 222061953 in words is "two hundred twenty-two million, sixty-one thousand, nine hundred fifty-three".