4225003501621 has 8 divisors (see below), whose sum is σ = 4829277007424. Its totient is φ = 3620905390080.

The previous prime is 4225003501577. The next prime is 4225003501711. The reversal of 4225003501621 is 1261053005224.

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 4225003501621 - 2⁷ = 4225003501493 is a prime.

It is a super-2 number, since 2×4225003501621² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4225003501721) 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, 43796940 + ... + 43893301.

It is an arithmetic number, because the mean of its divisors is an integer number (603659625928).

Almost surely, 2^{4225003501621} is an apocalyptic number.

It is an amenable number.

4225003501621 is a deficient number, since it is larger than the sum of its proper divisors (604273505803).

4225003501621 is an equidigital number, since it uses as much as digits as its factorization.

4225003501621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87697131.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 4225003501621 its reverse (1261053005224), we get a palindrome (5486056506845).

The spelling of 4225003501621 in words is "four trillion, two hundred twenty-five billion, three million, five hundred one thousand, six hundred twenty-one".