222661141 has 4 divisors (see below), whose sum is σ = 222728832. Its totient is φ = 222593452.

The previous prime is 222661139. The next prime is 222661147. The reversal of 222661141 is 141166222.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 222661141 - 2¹ = 222661139 is a prime.

It is a super-2 number, since 2×222661141² = 99155967422843762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222661147) 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, 28645 + ... + 35578.

It is an arithmetic number, because the mean of its divisors is an integer number (55682208).

Almost surely, 2^222661141 is an apocalyptic number.

It is an amenable number.

222661141 is a deficient number, since it is larger than the sum of its proper divisors (67691).

222661141 is an equidigital number, since it uses as much as digits as its factorization.

222661141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67690.

The product of its digits is 1152, while the sum is 25.

The square root of 222661141 is about 14921.8343711489. The cubic root of 222661141 is about 606.1053861891.

The spelling of 222661141 in words is "two hundred twenty-two million, six hundred sixty-one thousand, one hundred forty-one".