2225421953998 has 4 divisors (see below), whose sum is σ = 3338132931000. Its totient is φ = 1112710976998.

The previous prime is 2225421953941. The next prime is 2225421954037. The reversal of 2225421953998 is 8993591245222.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556355488498 + ... + 556355488501.

It is an arithmetic number, because the mean of its divisors is an integer number (834533232750).

Almost surely, 2^{2225421953998} is an apocalyptic number.

2225421953998 is a deficient number, since it is larger than the sum of its proper divisors (1112710977002).

2225421953998 is a wasteful number, since it uses less digits than its factorization.

2225421953998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112710977001.

The product of its digits is 27993600, while the sum is 61.

The spelling of 2225421953998 in words is "two trillion, two hundred twenty-five billion, four hundred twenty-one million, nine hundred fifty-three thousand, nine hundred ninety-eight".