154322222620 has 12 divisors (see below), whose sum is σ = 324076667544. Its totient is φ = 61728889040.

The previous prime is 154322222543. The next prime is 154322222627. The reversal of 154322222620 is 26222223451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154322222627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3858055546 + ... + 3858055585.

It is an arithmetic number, because the mean of its divisors is an integer number (27006388962).

Almost surely, 2^154322222620 is an apocalyptic number.

154322222620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154322222620 is an abundant number, since it is smaller than the sum of its proper divisors (169754444924).

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

154322222620 is a wasteful number, since it uses less digits than its factorization.

154322222620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7716111140 (or 7716111138 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 154322222620 in words is "one hundred fifty-four billion, three hundred twenty-two million, two hundred twenty-two thousand, six hundred twenty".