154022222340 has 288 divisors, whose sum is σ = 546436800000. Its totient is φ = 35101963008.

The previous prime is 154022222327. The next prime is 154022222353. The reversal of 154022222340 is 43222220451.

154022222340 is a `hidden beast` number, since 1 + 5 + 402 + 2 + 22 + 234 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (154022222327) and next prime (154022222353).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22161186 + ... + 22168134.

It is an arithmetic number, because the mean of its divisors is an integer number (1897350000).

Almost surely, 2^154022222340 is an apocalyptic number.

154022222340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154022222340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273218400000).

154022222340 is an abundant number, since it is smaller than the sum of its proper divisors (392414577660).

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

154022222340 is a wasteful number, since it uses less digits than its factorization.

154022222340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7344 (or 7325 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 154022222340 its reverse (43222220451), we get a palindrome (197244442791).

The spelling of 154022222340 in words is "one hundred fifty-four billion, twenty-two million, two hundred twenty-two thousand, three hundred forty".