355222121222552 has 16 divisors (see below), whose sum is σ = 666162158925600. Its totient is φ = 177578878842400.

The previous prime is 355222121222539. The next prime is 355222121222567. The reversal of 355222121222552 is 255222121222553.

It is a super-2 number, since 2×355222121222552² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4022674199 + ... + 4022762502.

It is an arithmetic number, because the mean of its divisors is an integer number (41635134932850).

Almost surely, 2^{355222121222552} is an apocalyptic number.

It is an amenable number.

355222121222552 is a deficient number, since it is larger than the sum of its proper divisors (310940037703048).

355222121222552 is a wasteful number, since it uses less digits than its factorization.

355222121222552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8045442226 (or 8045442222 counting only the distinct ones).

The product of its digits is 480000, while the sum is 41.

Subtracting from 355222121222552 its reverse (255222121222553), we obtain a palindrome (99999999999999).

The spelling of 355222121222552 in words is "three hundred fifty-five trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred twenty-two thousand, five hundred fifty-two".