42772248 has 48 divisors (see below), whose sum is σ = 116396280. Its totient is φ = 14189184.

The previous prime is 42772241. The next prime is 42772271. The reversal of 42772248 is 84227724.

42772248 is a `hidden beast` number, since 427 + 7 + 224 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42772241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15036 + ... + 17652.

Almost surely, 2^42772248 is an apocalyptic number.

It is an amenable number.

42772248 is an abundant number, since it is smaller than the sum of its proper divisors (73624032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42772248 is a wasteful number, since it uses less digits than its factorization.

42772248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2856 (or 2849 counting only the distinct ones).

The product of its digits is 50176, while the sum is 36.

The square root of 42772248 is about 6540.0495410968. The cubic root of 42772248 is about 349.7201790671.

The spelling of 42772248 in words is "forty-two million, seven hundred seventy-two thousand, two hundred forty-eight".