47226240 has 160 divisors (see below), whose sum is σ = 168838560. Its totient is φ = 12579840.

The previous prime is 47226227. The next prime is 47226241. The reversal of 47226240 is 4262274.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47226241) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 51385 + ... + 52295.

It is an arithmetic number, because the mean of its divisors is an integer number (1055241).

Almost surely, 2^47226240 is an apocalyptic number.

47226240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47226240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84419280).

47226240 is an abundant number, since it is smaller than the sum of its proper divisors (121612320).

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

47226240 is an equidigital number, since it uses as much as digits as its factorization.

47226240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 47226240 is about 6872.1350394182. The cubic root of 47226240 is about 361.4607316034.

The spelling of 47226240 in words is "forty-seven million, two hundred twenty-six thousand, two hundred forty".