2225421534 has 144 divisors (see below), whose sum is σ = 5560304400. Its totient is φ = 591655680.

The previous prime is 2225421529. The next prime is 2225421551. The reversal of 2225421534 is 4351245222.

2225421534 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6376392 + ... + 6376740.

It is an arithmetic number, because the mean of its divisors is an integer number (38613225).

Almost surely, 2^2225421534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2225421534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2780152200).

2225421534 is an abundant number, since it is smaller than the sum of its proper divisors (3334882866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2225421534 is a wasteful number, since it uses less digits than its factorization.

2225421534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 425 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 2225421534 is about 47174.3737001351. The cubic root of 2225421534 is about 1305.5818242049.

Adding to 2225421534 its reverse (4351245222), we get a palindrome (6576666756).

The spelling of 2225421534 in words is "two billion, two hundred twenty-five million, four hundred twenty-one thousand, five hundred thirty-four".