2154226522 has 8 divisors (see below), whose sum is σ = 3692959776. Its totient is φ = 923239932.

The previous prime is 2154226471. The next prime is 2154226523. The reversal of 2154226522 is 2256224512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2154226523) 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, 76936648 + ... + 76936675.

It is an arithmetic number, because the mean of its divisors is an integer number (461619972).

Almost surely, 2^2154226522 is an apocalyptic number.

2154226522 is a deficient number, since it is larger than the sum of its proper divisors (1538733254).

2154226522 is a wasteful number, since it uses less digits than its factorization.

2154226522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153873332.

The product of its digits is 19200, while the sum is 31.

The square root of 2154226522 is about 46413.6458598115. The cubic root of 2154226522 is about 1291.5080658562.

The spelling of 2154226522 in words is "two billion, one hundred fifty-four million, two hundred twenty-six thousand, five hundred twenty-two".