1622802438 has 20 divisors (see below), whose sum is σ = 3636279900. Its totient is φ = 540934092.

The previous prime is 1622802431. The next prime is 1622802463. The reversal of 1622802438 is 8342082261.

1622802438 is a `hidden beast` number, since 1 + 622 + 8 + 0 + 24 + 3 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622802431) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5008488 + ... + 5008811.

It is an arithmetic number, because the mean of its divisors is an integer number (181813995).

Almost surely, 2^1622802438 is an apocalyptic number.

1622802438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1622802438 is an abundant number, since it is smaller than the sum of its proper divisors (2013477462).

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

1622802438 is a wasteful number, since it uses less digits than its factorization.

1622802438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10017313 (or 10017304 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 1622802438 is about 40284.0221179564. The cubic root of 1622802438 is about 1175.1371351637.

Adding to 1622802438 its reverse (8342082261), we get a palindrome (9964884699).

The spelling of 1622802438 in words is "one billion, six hundred twenty-two million, eight hundred two thousand, four hundred thirty-eight".