47722020 has 48 divisors (see below), whose sum is σ = 137937408. Its totient is φ = 12314880.

The previous prime is 47722013. The next prime is 47722021. The reversal of 47722020 is 2022774.

It is not an unprimeable number, because it can be changed into a prime (47722021) 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 15 ways as a sum of consecutive naturals, for example, 10969 + ... + 14688.

It is an arithmetic number, because the mean of its divisors is an integer number (2873696).

Almost surely, 2^47722020 is an apocalyptic number.

It is an amenable number.

47722020 is an abundant number, since it is smaller than the sum of its proper divisors (90215388).

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

47722020 is a wasteful number, since it uses less digits than its factorization.

47722020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25700 (or 25698 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 47722020 is about 6908.1126221277. The cubic root of 47722020 is about 362.7211999136.

Adding to 47722020 its reverse (2022774), we get a palindrome (49744794).

The spelling of 47722020 in words is "forty-seven million, seven hundred twenty-two thousand, twenty".