2269401428 has 12 divisors (see below), whose sum is σ = 4538802912. Its totient is φ = 972600600.

The previous prime is 2269401419. The next prime is 2269401461. The reversal of 2269401428 is 8241049622.

It is a happy number.

2269401428 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2269401391 and 2269401400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40524998 + ... + 40525053.

It is an arithmetic number, because the mean of its divisors is an integer number (378233576).

Almost surely, 2^2269401428 is an apocalyptic number.

2269401428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2269401428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2269401428 is a wasteful number, since it uses less digits than its factorization.

2269401428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81050062 (or 81050060 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 2269401428 is about 47638.2349379152. The cubic root of 2269401428 is about 1314.1263026815.

The spelling of 2269401428 in words is "two billion, two hundred sixty-nine million, four hundred one thousand, four hundred twenty-eight".