228951957 has 32 divisors (see below), whose sum is σ = 357253120. Its totient is φ = 129159360.

The previous prime is 228951923. The next prime is 228951991. The reversal of 228951957 is 759159822.

It is an interprime number because it is at equal distance from previous prime (228951923) and next prime (228951991).

It is not a de Polignac number, because 228951957 - 2¹⁶ = 228886421 is a prime.

It is a super-2 number, since 2×228951957² = 104837997228259698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228951907) 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, 17988 + ... + 27954.

It is an arithmetic number, because the mean of its divisors is an integer number (11164160).

Almost surely, 2^228951957 is an apocalyptic number.

It is an amenable number.

228951957 is a deficient number, since it is larger than the sum of its proper divisors (128301163).

228951957 is a wasteful number, since it uses less digits than its factorization.

228951957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10033.

The product of its digits is 453600, while the sum is 48.

The square root of 228951957 is about 15131.1584817555. The cubic root of 228951957 is about 611.7605298947.

The spelling of 228951957 in words is "two hundred twenty-eight million, nine hundred fifty-one thousand, nine hundred fifty-seven".