228022481 has 2 divisors, whose sum is σ = 228022482. Its totient is φ = 228022480.

The previous prime is 228022471. The next prime is 228022489. The reversal of 228022481 is 184220822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159794881 + 68227600 = 12641^2 + 8260^2 .

It is a cyclic number.

It is not a de Polignac number, because 228022481 - 2²⁶ = 160913617 is a prime.

It is a super-2 number, since 2×228022481² = 103988503682790722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (228022489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114011240 + 114011241.

It is an arithmetic number, because the mean of its divisors is an integer number (114011241).

Almost surely, 2^228022481 is an apocalyptic number.

It is an amenable number.

228022481 is a deficient number, since it is larger than the sum of its proper divisors (1).

228022481 is an equidigital number, since it uses as much as digits as its factorization.

228022481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4096, while the sum is 29.

The square root of 228022481 is about 15100.4132724903. The cubic root of 228022481 is about 610.9315525715.

The spelling of 228022481 in words is "two hundred twenty-eight million, twenty-two thousand, four hundred eighty-one".