2220354442354 has 4 divisors (see below), whose sum is σ = 3330531663534. Its totient is φ = 1110177221176.

The previous prime is 2220354442291. The next prime is 2220354442363. The reversal of 2220354442354 is 4532444530222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2068928394129 + 151426048225 = 1438377^2 + 389135^2 .

It is a super-2 number, since 2×2220354442354² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555088610587 + ... + 555088610590.

Almost surely, 2^{2220354442354} is an apocalyptic number.

2220354442354 is a deficient number, since it is larger than the sum of its proper divisors (1110177221180).

2220354442354 is a wasteful number, since it uses less digits than its factorization.

2220354442354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110177221179.

The product of its (nonzero) digits is 921600, while the sum is 40.

Adding to 2220354442354 its reverse (4532444530222), we get a palindrome (6752798972576).

The spelling of 2220354442354 in words is "two trillion, two hundred twenty billion, three hundred fifty-four million, four hundred forty-two thousand, three hundred fifty-four".