223087464 has 48 divisors (see below), whose sum is σ = 639739620. Its totient is φ = 69987840.

The previous prime is 223087463. The next prime is 223087477. The reversal of 223087464 is 464780322.

It can be written as a sum of positive squares in 2 ways, for example, as 208571364 + 14516100 = 14442^2 + 3810^2 .

It is a super-3 number, since 3×223087464³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (223087463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89907 + ... + 92354.

Almost surely, 2^223087464 is an apocalyptic number.

223087464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

223087464 is an abundant number, since it is smaller than the sum of its proper divisors (416652156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223087464 is a wasteful number, since it uses less digits than its factorization.

223087464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182290 (or 182283 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 223087464 is about 14936.1127472981. The cubic root of 223087464 is about 606.4919705233.

The spelling of 223087464 in words is "two hundred twenty-three million, eighty-seven thousand, four hundred sixty-four".