38228070 has 64 divisors (see below), whose sum is σ = 101399040. Its totient is φ = 9174528.

The previous prime is 38228059. The next prime is 38228101. The reversal of 38228070 is 7082283.

It is a super-2 number, since 2×38228070² = 2922770671849800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10101 + ... + 13359.

It is an arithmetic number, because the mean of its divisors is an integer number (1584360).

Almost surely, 2^38228070 is an apocalyptic number.

38228070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38228070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50699520).

38228070 is an abundant number, since it is smaller than the sum of its proper divisors (63170970).

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

38228070 is a wasteful number, since it uses less digits than its factorization.

38228070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 38228070 is about 6182.8852488139. The cubic root of 38228070 is about 336.8688010512.

The spelling of 38228070 in words is "thirty-eight million, two hundred twenty-eight thousand, seventy".