223307461 has 16 divisors (see below), whose sum is σ = 255150000. Its totient is φ = 193609728.

The previous prime is 223307429. The next prime is 223307479. The reversal of 223307461 is 164703322.

It can be written as a sum of positive squares in 8 ways, for example, as 3348900 + 219958561 = 1830^2 + 14831^2 .

It is not a de Polignac number, because 223307461 - 2⁵ = 223307429 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 (223307261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178165 + ... + 179413.

It is an arithmetic number, because the mean of its divisors is an integer number (15946875).

Almost surely, 2^223307461 is an apocalyptic number.

It is an amenable number.

223307461 is a deficient number, since it is larger than the sum of its proper divisors (31842539).

223307461 is a wasteful number, since it uses less digits than its factorization.

223307461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 223307461 is about 14943.4755328203. The cubic root of 223307461 is about 606.6912684075.

It can be divided in two parts, 22330 and 7461, that added together give a cube (29791 = 31³).

The spelling of 223307461 in words is "two hundred twenty-three million, three hundred seven thousand, four hundred sixty-one".