1465071228 has 36 divisors (see below), whose sum is σ = 3898290760. Its totient is φ = 462653856.

The previous prime is 1465071197. The next prime is 1465071241. The reversal of 1465071228 is 8221705641.

1465071228 is a `hidden beast` number, since 146 + 507 + 1 + 2 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×1465071228³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1465071192 and 1465071201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1070275 + ... + 1071642.

Almost surely, 2^1465071228 is an apocalyptic number.

1465071228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1465071228 is an abundant number, since it is smaller than the sum of its proper divisors (2433219532).

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

1465071228 is a wasteful number, since it uses less digits than its factorization.

1465071228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141946 (or 2141941 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 1465071228 is about 38276.2488757715. The cubic root of 1465071228 is about 1135.7591557380.

Adding to 1465071228 its reverse (8221705641), we get a palindrome (9686776869).

The spelling of 1465071228 in words is "one billion, four hundred sixty-five million, seventy-one thousand, two hundred twenty-eight".