408228157 has 16 divisors (see below), whose sum is σ = 449064000. Its totient is φ = 369376000.

The previous prime is 408228151. The next prime is 408228169. The reversal of 408228157 is 751822804.

It is not a de Polignac number, because 408228157 - 2¹⁹ = 407703869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408228151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122094 + ... + 125392.

It is an arithmetic number, because the mean of its divisors is an integer number (28066500).

Almost surely, 2^408228157 is an apocalyptic number.

It is an amenable number.

408228157 is a deficient number, since it is larger than the sum of its proper divisors (40835843).

408228157 is a wasteful number, since it uses less digits than its factorization.

408228157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3596.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 408228157 is about 20204.6568147049. The cubic root of 408228157 is about 741.8241804127.

The spelling of 408228157 in words is "four hundred eight million, two hundred twenty-eight thousand, one hundred fifty-seven".