4222155401 has 4 divisors (see below), whose sum is σ = 4223040000. Its totient is φ = 4221270804.

The previous prime is 4222155361. The next prime is 4222155409. The reversal of 4222155401 is 1045512224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4222155401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4222155409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435101 + ... + 444698.

It is an arithmetic number, because the mean of its divisors is an integer number (1055760000).

Almost surely, 2^4222155401 is an apocalyptic number.

It is an amenable number.

4222155401 is a deficient number, since it is larger than the sum of its proper divisors (884599).

4222155401 is an equidigital number, since it uses as much as digits as its factorization.

4222155401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884598.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 4222155401 is about 64978.1147849028. The cubic root of 4222155401 is about 1616.2606688337.

Adding to 4222155401 its reverse (1045512224), we get a palindrome (5267667625).

The spelling of 4222155401 in words is "four billion, two hundred twenty-two million, one hundred fifty-five thousand, four hundred one".