1403220030 has 32 divisors (see below), whose sum is σ = 3369903264. Its totient is φ = 373950336.

The previous prime is 1403220029. The next prime is 1403220031. The reversal of 1403220030 is 300223041.

It is an interprime number because it is at equal distance from previous prime (1403220029) and next prime (1403220031).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1403219991 and 1403220009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403220031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34824 + ... + 63396.

It is an arithmetic number, because the mean of its divisors is an integer number (105309477).

Almost surely, 2^1403220030 is an apocalyptic number.

1403220030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1403220030 is an abundant number, since it is smaller than the sum of its proper divisors (1966683234).

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

1403220030 is a wasteful number, since it uses less digits than its factorization.

1403220030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30220.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1403220030 is about 37459.5786148216. The cubic root of 1403220030 is about 1119.5459548805.

Adding to 1403220030 its reverse (300223041), we get a palindrome (1703443071).

The spelling of 1403220030 in words is "one billion, four hundred three million, two hundred twenty thousand, thirty".