229420477442 has 18 divisors (see below), whose sum is σ = 372652889787. Its totient is φ = 105882309936.

The previous prime is 229420477439. The next prime is 229420477457. The reversal of 229420477442 is 244774024922.

It can be written as a sum of positive squares in 5 ways, for example, as 110808428641 + 118612048801 = 332879^2 + 344401^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=338689.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8792888 + ... + 8818940.

Almost surely, 2^229420477442 is an apocalyptic number.

229420477442 is a deficient number, since it is larger than the sum of its proper divisors (143232412345).

229420477442 is an frugal number, since it uses more digits than its factorization.

229420477442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52134 (or 26068 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 47.

The spelling of 229420477442 in words is "two hundred twenty-nine billion, four hundred twenty million, four hundred seventy-seven thousand, four hundred forty-two".