223280021157 has 8 divisors (see below), whose sum is σ = 297710945280. Its totient is φ = 148851222240.

The previous prime is 223280021089. The next prime is 223280021191. The reversal of 223280021157 is 751120082322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223280021157 - 2¹² = 223280017061 is a prime.

It is a super-3 number, since 3×223280021157³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223280021357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267432 + ... + 719777.

It is an arithmetic number, because the mean of its divisors is an integer number (37213868160).

Almost surely, 2^223280021157 is an apocalyptic number.

It is an amenable number.

223280021157 is a deficient number, since it is larger than the sum of its proper divisors (74430924123).

223280021157 is an equidigital number, since it uses as much as digits as its factorization.

223280021157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062603.

The product of its (nonzero) digits is 13440, while the sum is 33.

The spelling of 223280021157 in words is "two hundred twenty-three billion, two hundred eighty million, twenty-one thousand, one hundred fifty-seven".