1551433152222 has 96 divisors (see below), whose sum is σ = 3538080539136. Its totient is φ = 490367592000.

The previous prime is 1551433152193. The next prime is 1551433152253. The reversal of 1551433152222 is 2222513341551.

1551433152222 is a `hidden beast` number, since 1 + 5 + 51 + 4 + 331 + 52 + 222 = 666.

It is a super-3 number, since 3×1551433152222³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53297472 + ... + 53326572.

It is an arithmetic number, because the mean of its divisors is an integer number (36855005616).

Almost surely, 2^{1551433152222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1551433152222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1769040269568).

1551433152222 is an abundant number, since it is smaller than the sum of its proper divisors (1986647386914).

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

1551433152222 is a wasteful number, since it uses less digits than its factorization.

1551433152222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30246 (or 30243 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

Adding to 1551433152222 its reverse (2222513341551), we get a palindrome (3773946493773).

The spelling of 1551433152222 in words is "one trillion, five hundred fifty-one billion, four hundred thirty-three million, one hundred fifty-two thousand, two hundred twenty-two".