225867450893491 has 8 divisors (see below), whose sum is σ = 246401454795264. Its totient is φ = 205333546870920.

The previous prime is 225867450893489. The next prime is 225867450893501. The reversal of 225867450893491 is 194398054768522.

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 225867450893491 - 2¹ = 225867450893489 is a prime.

It is a super-2 number, since 2×225867450893491² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225867460893491) 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, 20201815 + ... + 29323168.

It is an arithmetic number, because the mean of its divisors is an integer number (30800181849408).

It is a 2-persistent number, because it is pandigital, and so is 2⋅225867450893491 = 451734901786982, but 3⋅225867450893491 = 677602352680473 is not.

Almost surely, 2^{225867450893491} is an apocalyptic number.

225867450893491 is a deficient number, since it is larger than the sum of its proper divisors (20534003901773).

225867450893491 is a wasteful number, since it uses less digits than its factorization.

225867450893491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49939601.

The product of its (nonzero) digits is 1045094400, while the sum is 73.

The spelling of 225867450893491 in words is "two hundred twenty-five trillion, eight hundred sixty-seven billion, four hundred fifty million, eight hundred ninety-three thousand, four hundred ninety-one".