2221445343234 has 16 divisors (see below), whose sum is σ = 4784651508672. Its totient is φ = 683521644048.

The previous prime is 2221445343209. The next prime is 2221445343277. The reversal of 2221445343234 is 4323435441222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 2221445343192 and 2221445343201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14240034174 + ... + 14240034329.

It is an arithmetic number, because the mean of its divisors is an integer number (299040719292).

Almost surely, 2^{2221445343234} is an apocalyptic number.

2221445343234 is an abundant number, since it is smaller than the sum of its proper divisors (2563206165438).

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

2221445343234 is a wasteful number, since it uses less digits than its factorization.

2221445343234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28480068521.

The product of its digits is 552960, while the sum is 39.

The spelling of 2221445343234 in words is "two trillion, two hundred twenty-one billion, four hundred forty-five million, three hundred forty-three thousand, two hundred thirty-four".