42223400477 has 2 divisors, whose sum is σ = 42223400478. Its totient is φ = 42223400476.

The previous prime is 42223400423. The next prime is 42223400537. The reversal of 42223400477 is 77400432224.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24175896196 + 18047504281 = 155486^2 + 134341^2 .

It is a cyclic number.

It is not a de Polignac number, because 42223400477 - 2⁶ = 42223400413 is a prime.

It is a super-2 number, since 2×42223400477² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42243400477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21111700238 + 21111700239.

It is an arithmetic number, because the mean of its divisors is an integer number (21111700239).

Almost surely, 2^42223400477 is an apocalyptic number.

It is an amenable number.

42223400477 is a deficient number, since it is larger than the sum of its proper divisors (1).

42223400477 is an equidigital number, since it uses as much as digits as its factorization.

42223400477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 35.

The spelling of 42223400477 in words is "forty-two billion, two hundred twenty-three million, four hundred thousand, four hundred seventy-seven".