4202521422 has 48 divisors (see below), whose sum is σ = 9724874880. Its totient is φ = 1206461520.

The previous prime is 4202521391. The next prime is 4202521439. The reversal of 4202521422 is 2241252024.

It is a super-2 number, since 2×4202521422² = 35322372604737804168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4202521392 and 4202521401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138538 + ... + 166125.

It is an arithmetic number, because the mean of its divisors is an integer number (202601560).

Almost surely, 2^4202521422 is an apocalyptic number.

4202521422 is an abundant number, since it is smaller than the sum of its proper divisors (5522353458).

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

4202521422 is a wasteful number, since it uses less digits than its factorization.

4202521422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304709 (or 304698 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 4202521422 is about 64826.8572583925. The cubic root of 4202521422 is about 1613.7514492522.

Adding to 4202521422 its reverse (2241252024), we get a palindrome (6443773446).

The spelling of 4202521422 in words is "four billion, two hundred two million, five hundred twenty-one thousand, four hundred twenty-two".