4202122401 has 8 divisors (see below), whose sum is σ = 6225366560. Its totient is φ = 2801414916.

The previous prime is 4202122391. The next prime is 4202122429. The reversal of 4202122401 is 1042212024.

4202122401 is a `hidden beast` number, since 420 + 2 + 1 + 2 + 240 + 1 = 666.

It is not a de Polignac number, because 4202122401 - 2⁵ = 4202122369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4202122481) 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, 77817055 + ... + 77817108.

It is an arithmetic number, because the mean of its divisors is an integer number (778170820).

Almost surely, 2^4202122401 is an apocalyptic number.

It is an amenable number.

4202122401 is a deficient number, since it is larger than the sum of its proper divisors (2023244159).

4202122401 is a wasteful number, since it uses less digits than its factorization.

4202122401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155634172 (or 155634166 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 4202122401 is about 64823.7795951455. The cubic root of 4202122401 is about 1613.7003734787.

Adding to 4202122401 its reverse (1042212024), we get a palindrome (5244334425).

The spelling of 4202122401 in words is "four billion, two hundred two million, one hundred twenty-two thousand, four hundred one".