1474451221346 has 4 divisors (see below), whose sum is σ = 2211676832022. Its totient is φ = 737225610672.

The previous prime is 1474451221337. The next prime is 1474451221391. The reversal of 1474451221346 is 6431221544741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1343941711225 + 130509510121 = 1159285^2 + 361261^2 .

It is a super-2 number, since 2×1474451221346² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1474451221297 and 1474451221306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 368612805335 + ... + 368612805338.

Almost surely, 2^{1474451221346} is an apocalyptic number.

1474451221346 is a deficient number, since it is larger than the sum of its proper divisors (737225610676).

1474451221346 is an equidigital number, since it uses as much as digits as its factorization.

1474451221346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737225610675.

The product of its digits is 645120, while the sum is 44.

The spelling of 1474451221346 in words is "one trillion, four hundred seventy-four billion, four hundred fifty-one million, two hundred twenty-one thousand, three hundred forty-six".