220556141 has 8 divisors (see below), whose sum is σ = 240776760. Its totient is φ = 200800512.

The previous prime is 220556117. The next prime is 220556183. The reversal of 220556141 is 141655022.

It can be written as a sum of positive squares in 4 ways, for example, as 8970025 + 211586116 = 2995^2 + 14546^2 .

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 220556141 - 2¹⁴ = 220539757 is a prime.

It is a super-2 number, since 2×220556141² = 97290022665623762, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220556141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220556111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115256 + ... + 117153.

It is an arithmetic number, because the mean of its divisors is an integer number (30097095).

Almost surely, 2^220556141 is an apocalyptic number.

It is an amenable number.

220556141 is a deficient number, since it is larger than the sum of its proper divisors (20220619).

220556141 is a wasteful number, since it uses less digits than its factorization.

220556141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232495.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 220556141 is about 14851.1326504075. The cubic root of 220556141 is about 604.1893301833.

The spelling of 220556141 in words is "two hundred twenty million, five hundred fifty-six thousand, one hundred forty-one".