1920227354 has 4 divisors (see below), whose sum is σ = 2880341034. Its totient is φ = 960113676.

The previous prime is 1920227329. The next prime is 1920227363. The reversal of 1920227354 is 4537220291.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4537220291 = 12119 ⋅374389.

It can be written as a sum of positive squares in only one way, i.e., 1097398129 + 822829225 = 33127^2 + 28685^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480056837 + ... + 480056840.

Almost surely, 2^1920227354 is an apocalyptic number.

1920227354 is a deficient number, since it is larger than the sum of its proper divisors (960113680).

1920227354 is an equidigital number, since it uses as much as digits as its factorization.

1920227354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960113679.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 1920227354 is about 43820.3988343329. The cubic root of 1920227354 is about 1242.9420588994.

The spelling of 1920227354 in words is "one billion, nine hundred twenty million, two hundred twenty-seven thousand, three hundred fifty-four".