223001491 has 8 divisors (see below), whose sum is σ = 232936704. Its totient is φ = 213086280.

The previous prime is 223001473. The next prime is 223001509. The reversal of 223001491 is 194100322.

It is an interprime number because it is at equal distance from previous prime (223001473) and next prime (223001509).

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 223001491 - 2¹³ = 222993299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223001411) 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, 20650 + ... + 29536.

It is an arithmetic number, because the mean of its divisors is an integer number (29117088).

Almost surely, 2^223001491 is an apocalyptic number.

223001491 is a deficient number, since it is larger than the sum of its proper divisors (9935213).

223001491 is a wasteful number, since it uses less digits than its factorization.

223001491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 223001491 is about 14933.2344453571. The cubic root of 223001491 is about 606.4140509594.

The spelling of 223001491 in words is "two hundred twenty-three million, one thousand, four hundred ninety-one".