2154550226 has 16 divisors (see below), whose sum is σ = 3271937760. Its totient is φ = 1063950720.

The previous prime is 2154550193. The next prime is 2154550243. The reversal of 2154550226 is 6220554512.

It is a junction number, because it is equal to n+sod(n) for n = 2154550192 and 2154550201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83945 + ... + 106563.

It is an arithmetic number, because the mean of its divisors is an integer number (204496110).

Almost surely, 2^2154550226 is an apocalyptic number.

2154550226 is a deficient number, since it is larger than the sum of its proper divisors (1117387534).

2154550226 is a wasteful number, since it uses less digits than its factorization.

2154550226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23209.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 2154550226 is about 46417.1328929308. The cubic root of 2154550226 is about 1291.5727519333.

The spelling of 2154550226 in words is "two billion, one hundred fifty-four million, five hundred fifty thousand, two hundred twenty-six".