2212161552442 has 16 divisors (see below), whose sum is σ = 3408279501312. Its totient is φ = 1076074612560.

The previous prime is 2212161552439. The next prime is 2212161552451. The reversal of 2212161552442 is 2442551612122.

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 839278 + ... + 2264665.

It is an arithmetic number, because the mean of its divisors is an integer number (213017468832).

Almost surely, 2^{2212161552442} is an apocalyptic number.

2212161552442 is a deficient number, since it is larger than the sum of its proper divisors (1196117948870).

2212161552442 is a wasteful number, since it uses less digits than its factorization.

2212161552442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3113613.

The product of its digits is 76800, while the sum is 37.

The spelling of 2212161552442 in words is "two trillion, two hundred twelve billion, one hundred sixty-one million, five hundred fifty-two thousand, four hundred forty-two".