7227451661430 has 512 divisors, whose sum is σ = 24039958118400. Its totient is φ = 1341998254080.

The previous prime is 7227451661401. The next prime is 7227451661431. The reversal of 7227451661430 is 341661547227.

It is a self number, because there is not a number n which added to its sum of digits gives 7227451661430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7227451661431) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 221094547 + ... + 221127233.

It is an arithmetic number, because the mean of its divisors is an integer number (46953043200).

Almost surely, 2^{7227451661430} is an apocalyptic number.

7227451661430 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 7227451661430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12019979059200).

7227451661430 is an abundant number, since it is smaller than the sum of its proper divisors (16812506456970).

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

7227451661430 is a wasteful number, since it uses less digits than its factorization.

7227451661430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32964.

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 7227451661430 in words is "seven trillion, two hundred twenty-seven billion, four hundred fifty-one million, six hundred sixty-one thousand, four hundred thirty".