48721229 has 4 divisors (see below), whose sum is σ = 48861984. Its totient is φ = 48580476.

The previous prime is 48721223. The next prime is 48721241. The reversal of 48721229 is 92212784.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48721229 - 2⁴ = 48721213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48721223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69857 + ... + 70550.

It is an arithmetic number, because the mean of its divisors is an integer number (12215496).

Almost surely, 2^48721229 is an apocalyptic number.

It is an amenable number.

48721229 is a deficient number, since it is larger than the sum of its proper divisors (140755).

48721229 is a wasteful number, since it uses less digits than its factorization.

48721229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140754.

The product of its digits is 16128, while the sum is 35.

The square root of 48721229 is about 6980.0593837015. The cubic root of 48721229 is about 365.2352995842.

The spelling of 48721229 in words is "forty-eight million, seven hundred twenty-one thousand, two hundred twenty-nine".