2272265312644 has 24 divisors (see below), whose sum is σ = 4150826447040. Its totient is φ = 1086349956384.

The previous prime is 2272265312641. The next prime is 2272265312689. The reversal of 2272265312644 is 4462135622722.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 2272265312594 and 2272265312603.

It is not an unprimeable number, because it can be changed into a prime (2272265312641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4121379 + ... + 4640074.

It is an arithmetic number, because the mean of its divisors is an integer number (172951101960).

Almost surely, 2^{2272265312644} is an apocalyptic number.

It is an amenable number.

2272265312644 is a deficient number, since it is larger than the sum of its proper divisors (1878561134396).

2272265312644 is a wasteful number, since it uses less digits than its factorization.

2272265312644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8764299 (or 8764297 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 46.

The spelling of 2272265312644 in words is "two trillion, two hundred seventy-two billion, two hundred sixty-five million, three hundred twelve thousand, six hundred forty-four".