42262777 has 2 divisors, whose sum is σ = 42262778. Its totient is φ = 42262776.

The previous prime is 42262771. The next prime is 42262817. The reversal of 42262777 is 77726224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34445161 + 7817616 = 5869^2 + 2796^2 .

It is a cyclic number.

It is not a de Polignac number, because 42262777 - 2¹⁵ = 42230009 is a prime.

It is a super-2 number, since 2×42262777² = 3572284639503458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42262771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21131388 + 21131389.

It is an arithmetic number, because the mean of its divisors is an integer number (21131389).

Almost surely, 2^42262777 is an apocalyptic number.

It is an amenable number.

42262777 is a deficient number, since it is larger than the sum of its proper divisors (1).

42262777 is an equidigital number, since it uses as much as digits as its factorization.

42262777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65856, while the sum is 37.

The square root of 42262777 is about 6500.9827718584. The cubic root of 42262777 is about 348.3260942359.

The spelling of 42262777 in words is "forty-two million, two hundred sixty-two thousand, seven hundred seventy-seven".