1422155141 has 8 divisors (see below), whose sum is σ = 1561325664. Its totient is φ = 1284631920.

The previous prime is 1422155087. The next prime is 1422155153. The reversal of 1422155141 is 1415512241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1422155141 - 2¹⁰ = 1422154117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1422155141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422155171) 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, 410015 + ... + 413468.

It is an arithmetic number, because the mean of its divisors is an integer number (195165708).

Almost surely, 2^1422155141 is an apocalyptic number.

1422155141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1422155141 is a deficient number, since it is larger than the sum of its proper divisors (139170523).

1422155141 is a wasteful number, since it uses less digits than its factorization.

1422155141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823651.

The product of its digits is 1600, while the sum is 26.

The square root of 1422155141 is about 37711.4722730365. The cubic root of 1422155141 is about 1124.5592060116.

Adding to 1422155141 its reverse (1415512241), we get a palindrome (2837667382).

The spelling of 1422155141 in words is "one billion, four hundred twenty-two million, one hundred fifty-five thousand, one hundred forty-one".