2154224022 has 16 divisors (see below), whose sum is σ = 4495772160. Its totient is φ = 686853992.

The previous prime is 2154223987. The next prime is 2154224041. The reversal of 2154224022 is 2204224512.

It is a super-2 number, since 2×2154224022² = 9281362273923712968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2154223983 and 2154224001.

It is a congruent number.

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, 7805022 + ... + 7805297.

It is an arithmetic number, because the mean of its divisors is an integer number (280985760).

Almost surely, 2^2154224022 is an apocalyptic number.

2154224022 is an abundant number, since it is smaller than the sum of its proper divisors (2341548138).

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

2154224022 is a wasteful number, since it uses less digits than its factorization.

2154224022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15610347.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 2154224022 is about 46413.6189280689. The cubic root of 2154224022 is about 1291.5075662536.

Adding to 2154224022 its reverse (2204224512), we get a palindrome (4358448534).

The spelling of 2154224022 in words is "two billion, one hundred fifty-four million, two hundred twenty-four thousand, twenty-two".