1374628220 has 24 divisors (see below), whose sum is σ = 3299108064. Its totient is φ = 471301056.

The previous prime is 1374628201. The next prime is 1374628247. The reversal of 1374628220 is 228264731.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 4909247 + ... + 4909526.

It is an arithmetic number, because the mean of its divisors is an integer number (137462836).

Almost surely, 2^1374628220 is an apocalyptic number.

1374628220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1374628220 is an abundant number, since it is smaller than the sum of its proper divisors (1924479844).

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

1374628220 is a wasteful number, since it uses less digits than its factorization.

1374628220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9818789 (or 9818787 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 1374628220 is about 37075.9790160692. The cubic root of 1374628220 is about 1111.8898142725.

The spelling of 1374628220 in words is "one billion, three hundred seventy-four million, six hundred twenty-eight thousand, two hundred twenty".