1417220477 has 4 divisors (see below), whose sum is σ = 1443960540. Its totient is φ = 1390480416.

The previous prime is 1417220461. The next prime is 1417220479. The reversal of 1417220477 is 7740227141.

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

It can be written as a sum of positive squares in 2 ways, for example, as 335402596 + 1081817881 = 18314^2 + 32891^2 .

It is a cyclic number.

It is not a de Polignac number, because 1417220477 - 2⁴ = 1417220461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1417220479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13369952 + ... + 13370057.

It is an arithmetic number, because the mean of its divisors is an integer number (360990135).

Almost surely, 2^1417220477 is an apocalyptic number.

It is an amenable number.

1417220477 is a deficient number, since it is larger than the sum of its proper divisors (26740063).

1417220477 is an equidigital number, since it uses as much as digits as its factorization.

1417220477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26740062.

The product of its (nonzero) digits is 21952, while the sum is 35.

The square root of 1417220477 is about 37645.9888567162. The cubic root of 1417220477 is about 1123.2570150603.

The spelling of 1417220477 in words is "one billion, four hundred seventeen million, two hundred twenty thousand, four hundred seventy-seven".