1946422401 has 32 divisors (see below), whose sum is σ = 3264288768. Its totient is φ = 1002167040.

The previous prime is 1946422393. The next prime is 1946422417. The reversal of 1946422401 is 1042246491.

It is not a de Polignac number, because 1946422401 - 2³ = 1946422393 is a prime.

It is a super-2 number, since 2×1946422401² = 7577120326229209602, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1946422441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11181 + ... + 63386.

It is an arithmetic number, because the mean of its divisors is an integer number (102009024).

Almost surely, 2^1946422401 is an apocalyptic number.

1946422401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1946422401 is a deficient number, since it is larger than the sum of its proper divisors (1317866367).

1946422401 is a wasteful number, since it uses less digits than its factorization.

1946422401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74701.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1946422401 is about 44118.2774029086. The cubic root of 1946422401 is about 1248.5684734245.

Adding to 1946422401 its reverse (1042246491), we get a palindrome (2988668892).

The spelling of 1946422401 in words is "one billion, nine hundred forty-six million, four hundred twenty-two thousand, four hundred one".