2222247781478 has 16 divisors (see below), whose sum is σ = 3530243424960. Its totient is φ = 1045529271936.

The previous prime is 2222247781459. The next prime is 2222247781489. The reversal of 2222247781478 is 8741877422222.

It is a congruent number.

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, 7170713 + ... + 7474196.

It is an arithmetic number, because the mean of its divisors is an integer number (220640214060).

Almost surely, 2^{2222247781478} is an apocalyptic number.

2222247781478 is a deficient number, since it is larger than the sum of its proper divisors (1307995643482).

2222247781478 is a wasteful number, since it uses less digits than its factorization.

2222247781478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14649391.

The product of its digits is 11239424, while the sum is 56.

The spelling of 2222247781478 in words is "two trillion, two hundred twenty-two billion, two hundred forty-seven million, seven hundred eighty-one thousand, four hundred seventy-eight".