4202122340 has 48 divisors (see below), whose sum is σ = 9617807808. Its totient is φ = 1532851584.

The previous prime is 4202122321. The next prime is 4202122357. The reversal of 4202122340 is 432212024.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75782 + ... + 118941.

It is an arithmetic number, because the mean of its divisors is an integer number (200370996).

Almost surely, 2^4202122340 is an apocalyptic number.

It is an amenable number.

4202122340 is an abundant number, since it is smaller than the sum of its proper divisors (5415685468).

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

4202122340 is a wasteful number, since it uses less digits than its factorization.

4202122340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194828 (or 194826 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4202122340 is about 64823.7791246391. The cubic root of 4202122340 is about 1613.7003656702.

Adding to 4202122340 its reverse (432212024), we get a palindrome (4634334364).

The spelling of 4202122340 in words is "four billion, two hundred two million, one hundred twenty-two thousand, three hundred forty".