154222215150320 has 20 divisors (see below), whose sum is σ = 358566650224680. Its totient is φ = 61688886060096.

The previous prime is 154222215150281. The next prime is 154222215150401. The reversal of 154222215150320 is 23051512222451.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×154222215150320² (a number of 29 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, 963888844610 + ... + 963888844769.

It is an arithmetic number, because the mean of its divisors is an integer number (17928332511234).

Almost surely, 2^{154222215150320} is an apocalyptic number.

154222215150320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154222215150320 is an abundant number, since it is smaller than the sum of its proper divisors (204344435074360).

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

154222215150320 is a wasteful number, since it uses less digits than its factorization.

154222215150320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927777689392 (or 1927777689386 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 154222215150320 its reverse (23051512222451), we get a palindrome (177273727372771).

The spelling of 154222215150320 in words is "one hundred fifty-four trillion, two hundred twenty-two billion, two hundred fifteen million, one hundred fifty thousand, three hundred twenty".