2043220454 has 16 divisors (see below), whose sum is σ = 3348371520. Its totient is φ = 927369960.

The previous prime is 2043220427. The next prime is 2043220469. The reversal of 2043220454 is 4540223402.

It is a happy number.

It is a super-2 number, since 2×2043220454² = 8349499647287932232, which contains 22 as substring.

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, 52964 + ... + 83015.

It is an arithmetic number, because the mean of its divisors is an integer number (209273220).

Almost surely, 2^2043220454 is an apocalyptic number.

2043220454 is a deficient number, since it is larger than the sum of its proper divisors (1305151066).

2043220454 is a wasteful number, since it uses less digits than its factorization.

2043220454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136675.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 2043220454 is about 45201.9961284897. The cubic root of 2043220454 is about 1268.9321741081.

Adding to 2043220454 its reverse (4540223402), we get a palindrome (6583443856).

The spelling of 2043220454 in words is "two billion, forty-three million, two hundred twenty thousand, four hundred fifty-four".