75542229 has 12 divisors (see below), whose sum is σ = 124704736. Its totient is φ = 43166952.

The previous prime is 75542227. The next prime is 75542239. The reversal of 75542229 is 92224557.

It is a happy number.

It is not a de Polignac number, because 75542229 - 2¹ = 75542227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75542193 and 75542202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75542227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 599479 + ... + 599604.

Almost surely, 2^75542229 is an apocalyptic number.

It is an amenable number.

75542229 is a deficient number, since it is larger than the sum of its proper divisors (49162507).

75542229 is a wasteful number, since it uses less digits than its factorization.

75542229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199096 (or 1199093 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 75542229 is about 8691.5032646833. The cubic root of 75542229 is about 422.7301902615.

The spelling of 75542229 in words is "seventy-five million, five hundred forty-two thousand, two hundred twenty-nine".