2225143345421 has 8 divisors (see below), whose sum is σ = 2261740191744. Its totient is φ = 2188550340720.

The previous prime is 2225143345219. The next prime is 2225143345457. The reversal of 2225143345421 is 1245433415222.

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 2225143345421 - 2²⁶ = 2225076236557 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 (2225143335421) 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, 219380 + ... + 2120946.

It is an arithmetic number, because the mean of its divisors is an integer number (282717523968).

Almost surely, 2^{2225143345421} is an apocalyptic number.

It is an amenable number.

2225143345421 is a deficient number, since it is larger than the sum of its proper divisors (36596846323).

2225143345421 is a wasteful number, since it uses less digits than its factorization.

2225143345421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920811.

The product of its digits is 230400, while the sum is 38.

The spelling of 2225143345421 in words is "two trillion, two hundred twenty-five billion, one hundred forty-three million, three hundred forty-five thousand, four hundred twenty-one".