38122500 has 240 divisors, whose sum is σ = 132257664. Its totient is φ = 8448000.

The previous prime is 38122489. The next prime is 38122537. The reversal of 38122500 is 522183.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1657489 + ... + 1657511.

Almost surely, 2^38122500 is an apocalyptic number.

38122500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38122500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66128832).

38122500 is an abundant number, since it is smaller than the sum of its proper divisors (94135164).

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

38122500 is a wasteful number, since it uses less digits than its factorization.

38122500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 38122500 is about 6174.3420702128. The cubic root of 38122500 is about 336.5584180735.

Adding to 38122500 its reverse (522183), we get a palindrome (38644683).

The spelling of 38122500 in words is "thirty-eight million, one hundred twenty-two thousand, five hundred".