1401221962 has 16 divisors (see below), whose sum is σ = 2506534272. Its totient is φ = 574413840.

The previous prime is 1401221953. The next prime is 1401221989. The reversal of 1401221962 is 2691221041.

It is a super-2 number, since 2×1401221962² = 3926845973582258888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1401221962.

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, 2175489 + ... + 2176132.

It is an arithmetic number, because the mean of its divisors is an integer number (156658392).

Almost surely, 2^1401221962 is an apocalyptic number.

1401221962 is a deficient number, since it is larger than the sum of its proper divisors (1105312310).

1401221962 is a wasteful number, since it uses less digits than its factorization.

1401221962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4351653.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1401221962 is about 37432.8994602342. The cubic root of 1401221962 is about 1119.0143225223.

The spelling of 1401221962 in words is "one billion, four hundred one million, two hundred twenty-one thousand, nine hundred sixty-two".